Home / 1,915,305.22-2,643,150.50-1,044,140.50

Finding the Fourth Proportional to 1,915,305.22, 2,643,150.50 and 1,044,140.50

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Solution

The fourth proportional to 1,915,305.22, 2,643,150.50 and 1,044,140.50 is: 1,440,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,305.22 : 2,643,150.50 = 1,044,140.50 : x
  2. Step 2: Convert to fraction form
    1,915,305.22/2,643,150.50 = 1,044,140.50/x
  3. Step 3: Cross multiply
    1,915,305.22x = 2,643,150.50 × 1,044,140.50
  4. Step 4: Simplify right side
    1,915,305.22x = 2,759,820,484,645.25
  5. Step 5: Solve for x
    x = 2,759,820,484,645.25/1,915,305.22
  6. Step 6: Final answer
    x = 1,440,929.86

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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.