Home / 3,015,038.40-4,521,245.40-992,500.80

Finding the Fourth Proportional to 3,015,038.40, 4,521,245.40 and 992,500.80

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Solution

The fourth proportional to 3,015,038.40, 4,521,245.40 and 992,500.80 is: 1,488,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,038.40 : 4,521,245.40 = 992,500.80 : x
  2. Step 2: Convert to fraction form
    3,015,038.40/4,521,245.40 = 992,500.80/x
  3. Step 3: Cross multiply
    3,015,038.40x = 4,521,245.40 × 992,500.80
  4. Step 4: Simplify right side
    3,015,038.40x = 4,487,339,676,496.32
  5. Step 5: Solve for x
    x = 4,487,339,676,496.32/3,015,038.40
  6. Step 6: Final answer
    x = 1,488,319.25

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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.