Home / 4,752,406.40-7,128,609.60-2,862,838.40

Finding the Fourth Proportional to 4,752,406.40, 7,128,609.60 and 2,862,838.40

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Solution

The fourth proportional to 4,752,406.40, 7,128,609.60 and 2,862,838.40 is: 4,294,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,406.40 : 7,128,609.60 = 2,862,838.40 : x
  2. Step 2: Convert to fraction form
    4,752,406.40/7,128,609.60 = 2,862,838.40/x
  3. Step 3: Cross multiply
    4,752,406.40x = 7,128,609.60 × 2,862,838.40
  4. Step 4: Simplify right side
    4,752,406.40x = 20,408,057,301,488.64
  5. Step 5: Solve for x
    x = 20,408,057,301,488.64/4,752,406.40
  6. Step 6: Final answer
    x = 4,294,257.60

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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.