Home / 1,915,489.40-2,872,830.90-967,969.40

Finding the Fourth Proportional to 1,915,489.40, 2,872,830.90 and 967,969.40

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Solution

The fourth proportional to 1,915,489.40, 2,872,830.90 and 967,969.40 is: 1,451,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,489.40 : 2,872,830.90 = 967,969.40 : x
  2. Step 2: Convert to fraction form
    1,915,489.40/2,872,830.90 = 967,969.40/x
  3. Step 3: Cross multiply
    1,915,489.40x = 2,872,830.90 × 967,969.40
  4. Step 4: Simplify right side
    1,915,489.40x = 2,780,812,402,574.46
  5. Step 5: Solve for x
    x = 2,780,812,402,574.46/1,915,489.40
  6. Step 6: Final answer
    x = 1,451,750.35

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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.