Home / 2,601,237.60-3,901,856.40-1,971,381.60

Finding the Fourth Proportional to 2,601,237.60, 3,901,856.40 and 1,971,381.60

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Solution

The fourth proportional to 2,601,237.60, 3,901,856.40 and 1,971,381.60 is: 2,957,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601,237.60 : 3,901,856.40 = 1,971,381.60 : x
  2. Step 2: Convert to fraction form
    2,601,237.60/3,901,856.40 = 1,971,381.60/x
  3. Step 3: Cross multiply
    2,601,237.60x = 3,901,856.40 × 1,971,381.60
  4. Step 4: Simplify right side
    2,601,237.60x = 7,692,047,912,802.24
  5. Step 5: Solve for x
    x = 7,692,047,912,802.24/2,601,237.60
  6. Step 6: Final answer
    x = 2,957,072.40

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.