Home / 1,657,422.30-2,486,133.45-947,522.10

Finding the Fourth Proportional to 1,657,422.30, 2,486,133.45 and 947,522.10

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Solution

The fourth proportional to 1,657,422.30, 2,486,133.45 and 947,522.10 is: 1,421,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,422.30 : 2,486,133.45 = 947,522.10 : x
  2. Step 2: Convert to fraction form
    1,657,422.30/2,486,133.45 = 947,522.10/x
  3. Step 3: Cross multiply
    1,657,422.30x = 2,486,133.45 × 947,522.10
  4. Step 4: Simplify right side
    1,657,422.30x = 2,355,666,387,424.25
  5. Step 5: Solve for x
    x = 2,355,666,387,424.25/1,657,422.30
  6. Step 6: Final answer
    x = 1,421,283.15

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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.