Home / 1,940,304.65-2,909,385.64-900,521.45

Finding the Fourth Proportional to 1,940,304.65, 2,909,385.64 and 900,521.45

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Solution

The fourth proportional to 1,940,304.65, 2,909,385.64 and 900,521.45 is: 1,350,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,304.65 : 2,909,385.64 = 900,521.45 : x
  2. Step 2: Convert to fraction form
    1,940,304.65/2,909,385.64 = 900,521.45/x
  3. Step 3: Cross multiply
    1,940,304.65x = 2,909,385.64 × 900,521.45
  4. Step 4: Simplify right side
    1,940,304.65x = 2,619,964,172,630.90
  5. Step 5: Solve for x
    x = 2,619,964,172,630.90/1,940,304.65
  6. Step 6: Final answer
    x = 1,350,284.96

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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.