Home / 2,425,607.20-3,638,929.20-742,880.80

Finding the Fourth Proportional to 2,425,607.20, 3,638,929.20 and 742,880.80

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Solution

The fourth proportional to 2,425,607.20, 3,638,929.20 and 742,880.80 is: 1,114,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425,607.20 : 3,638,929.20 = 742,880.80 : x
  2. Step 2: Convert to fraction form
    2,425,607.20/3,638,929.20 = 742,880.80/x
  3. Step 3: Cross multiply
    2,425,607.20x = 3,638,929.20 × 742,880.80
  4. Step 4: Simplify right side
    2,425,607.20x = 2,703,290,635,239.36
  5. Step 5: Solve for x
    x = 2,703,290,635,239.36/2,425,607.20
  6. Step 6: Final answer
    x = 1,114,479.97

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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.