Home / 2,915,838.47-4,373,259.21-785,424.35

Finding the Fourth Proportional to 2,915,838.47, 4,373,259.21 and 785,424.35

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Solution

The fourth proportional to 2,915,838.47, 4,373,259.21 and 785,424.35 is: 1,178,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,838.47 : 4,373,259.21 = 785,424.35 : x
  2. Step 2: Convert to fraction form
    2,915,838.47/4,373,259.21 = 785,424.35/x
  3. Step 3: Cross multiply
    2,915,838.47x = 4,373,259.21 × 785,424.35
  4. Step 4: Simplify right side
    2,915,838.47x = 3,434,864,283,328.91
  5. Step 5: Solve for x
    x = 3,434,864,283,328.91/2,915,838.47
  6. Step 6: Final answer
    x = 1,178,002.25

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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.