Home / 5,275,318.19-7,911,870.01-1,487,915.33

Finding the Fourth Proportional to 5,275,318.19, 7,911,870.01 and 1,487,915.33

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Solution

The fourth proportional to 5,275,318.19, 7,911,870.01 and 1,487,915.33 is: 2,231,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,318.19 : 7,911,870.01 = 1,487,915.33 : x
  2. Step 2: Convert to fraction form
    5,275,318.19/7,911,870.01 = 1,487,915.33/x
  3. Step 3: Cross multiply
    5,275,318.19x = 7,911,870.01 × 1,487,915.33
  4. Step 4: Simplify right side
    5,275,318.19x = 11,772,192,633,567.12
  5. Step 5: Solve for x
    x = 11,772,192,633,567.12/5,275,318.19
  6. Step 6: Final answer
    x = 2,231,560.68

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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.