Home / 4,896,427.60-7,344,641.40-2,980,421.20

Finding the Fourth Proportional to 4,896,427.60, 7,344,641.40 and 2,980,421.20

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Solution

The fourth proportional to 4,896,427.60, 7,344,641.40 and 2,980,421.20 is: 4,470,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,896,427.60 : 7,344,641.40 = 2,980,421.20 : x
  2. Step 2: Convert to fraction form
    4,896,427.60/7,344,641.40 = 2,980,421.20/x
  3. Step 3: Cross multiply
    4,896,427.60x = 7,344,641.40 × 2,980,421.20
  4. Step 4: Simplify right side
    4,896,427.60x = 21,890,124,934,957.68
  5. Step 5: Solve for x
    x = 21,890,124,934,957.68/4,896,427.60
  6. Step 6: Final answer
    x = 4,470,631.80

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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.