Home / 1,643,346.90-2,465,020.35-1,010,207.70

Finding the Fourth Proportional to 1,643,346.90, 2,465,020.35 and 1,010,207.70

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Solution

The fourth proportional to 1,643,346.90, 2,465,020.35 and 1,010,207.70 is: 1,515,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,346.90 : 2,465,020.35 = 1,010,207.70 : x
  2. Step 2: Convert to fraction form
    1,643,346.90/2,465,020.35 = 1,010,207.70/x
  3. Step 3: Cross multiply
    1,643,346.90x = 2,465,020.35 × 1,010,207.70
  4. Step 4: Simplify right side
    1,643,346.90x = 2,490,182,538,226.69
  5. Step 5: Solve for x
    x = 2,490,182,538,226.69/1,643,346.90
  6. Step 6: Final answer
    x = 1,515,311.55

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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.