Home / 2,219,861.76-3,063,411.93-1,201,266.51

Finding the Fourth Proportional to 2,219,861.76, 3,063,411.93 and 1,201,266.51

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Solution

The fourth proportional to 2,219,861.76, 3,063,411.93 and 1,201,266.51 is: 1,657,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,861.76 : 3,063,411.93 = 1,201,266.51 : x
  2. Step 2: Convert to fraction form
    2,219,861.76/3,063,411.93 = 1,201,266.51/x
  3. Step 3: Cross multiply
    2,219,861.76x = 3,063,411.93 × 1,201,266.51
  4. Step 4: Simplify right side
    2,219,861.76x = 3,679,974,157,843.46
  5. Step 5: Solve for x
    x = 3,679,974,157,843.46/2,219,861.76
  6. Step 6: Final answer
    x = 1,657,749.25

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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.