Home / 1,618,666.90-2,428,000.35-553,614.10

Finding the Fourth Proportional to 1,618,666.90, 2,428,000.35 and 553,614.10

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Solution

The fourth proportional to 1,618,666.90, 2,428,000.35 and 553,614.10 is: 830,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,666.90 : 2,428,000.35 = 553,614.10 : x
  2. Step 2: Convert to fraction form
    1,618,666.90/2,428,000.35 = 553,614.10/x
  3. Step 3: Cross multiply
    1,618,666.90x = 2,428,000.35 × 553,614.10
  4. Step 4: Simplify right side
    1,618,666.90x = 1,344,175,228,564.94
  5. Step 5: Solve for x
    x = 1,344,175,228,564.94/1,618,666.90
  6. Step 6: Final answer
    x = 830,421.15

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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.