Home / 3,160,238.76-4,361,126.67-1,783,872.18

Finding the Fourth Proportional to 3,160,238.76, 4,361,126.67 and 1,783,872.18

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Solution

The fourth proportional to 3,160,238.76, 4,361,126.67 and 1,783,872.18 is: 2,461,742.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,238.76 : 4,361,126.67 = 1,783,872.18 : x
  2. Step 2: Convert to fraction form
    3,160,238.76/4,361,126.67 = 1,783,872.18/x
  3. Step 3: Cross multiply
    3,160,238.76x = 4,361,126.67 × 1,783,872.18
  4. Step 4: Simplify right side
    3,160,238.76x = 7,779,692,540,069.04
  5. Step 5: Solve for x
    x = 7,779,692,540,069.04/3,160,238.76
  6. Step 6: Final answer
    x = 2,461,742.02

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.