Home / 1,820,187.90-2,732,031.45-922,643.10

Finding the Fourth Proportional to 1,820,187.90, 2,732,031.45 and 922,643.10

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Solution

The fourth proportional to 1,820,187.90, 2,732,031.45 and 922,643.10 is: 1,384,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,187.90 : 2,732,031.45 = 922,643.10 : x
  2. Step 2: Convert to fraction form
    1,820,187.90/2,732,031.45 = 922,643.10/x
  3. Step 3: Cross multiply
    1,820,187.90x = 2,732,031.45 × 922,643.10
  4. Step 4: Simplify right side
    1,820,187.90x = 2,520,689,966,325.50
  5. Step 5: Solve for x
    x = 2,520,689,966,325.50/1,820,187.90
  6. Step 6: Final answer
    x = 1,384,851.51

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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.