Home / 1,620,251.80-2,429,211.30-910,497.40

Finding the Fourth Proportional to 1,620,251.80, 2,429,211.30 and 910,497.40

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Solution

The fourth proportional to 1,620,251.80, 2,429,211.30 and 910,497.40 is: 1,365,090.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,251.80 : 2,429,211.30 = 910,497.40 : x
  2. Step 2: Convert to fraction form
    1,620,251.80/2,429,211.30 = 910,497.40/x
  3. Step 3: Cross multiply
    1,620,251.80x = 2,429,211.30 × 910,497.40
  4. Step 4: Simplify right side
    1,620,251.80x = 2,211,790,572,700.62
  5. Step 5: Solve for x
    x = 2,211,790,572,700.62/1,620,251.80
  6. Step 6: Final answer
    x = 1,365,090.64

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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.