Home / 1,938,059.16-2,906,866.92-518,225.95

Finding the Fourth Proportional to 1,938,059.16, 2,906,866.92 and 518,225.95

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Solution

The fourth proportional to 1,938,059.16, 2,906,866.92 and 518,225.95 is: 777,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,059.16 : 2,906,866.92 = 518,225.95 : x
  2. Step 2: Convert to fraction form
    1,938,059.16/2,906,866.92 = 518,225.95/x
  3. Step 3: Cross multiply
    1,938,059.16x = 2,906,866.92 × 518,225.95
  4. Step 4: Simplify right side
    1,938,059.16x = 1,506,413,871,140.57
  5. Step 5: Solve for x
    x = 1,506,413,871,140.57/1,938,059.16
  6. Step 6: Final answer
    x = 777,279.61

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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.