Home / 1,663,464.70-2,490,531.45-1,616,808.70

Finding the Fourth Proportional to 1,663,464.70, 2,490,531.45 and 1,616,808.70

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Solution

The fourth proportional to 1,663,464.70, 2,490,531.45 and 1,616,808.70 is: 2,420,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,464.70 : 2,490,531.45 = 1,616,808.70 : x
  2. Step 2: Convert to fraction form
    1,663,464.70/2,490,531.45 = 1,616,808.70/x
  3. Step 3: Cross multiply
    1,663,464.70x = 2,490,531.45 × 1,616,808.70
  4. Step 4: Simplify right side
    1,663,464.70x = 4,026,712,915,983.62
  5. Step 5: Solve for x
    x = 4,026,712,915,983.62/1,663,464.70
  6. Step 6: Final answer
    x = 2,420,678.31

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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.