Home / 6,457,125.60-9,678,776.40-2,193,343.20

Finding the Fourth Proportional to 6,457,125.60, 9,678,776.40 and 2,193,343.20

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Solution

The fourth proportional to 6,457,125.60, 9,678,776.40 and 2,193,343.20 is: 3,287,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,125.60 : 9,678,776.40 = 2,193,343.20 : x
  2. Step 2: Convert to fraction form
    6,457,125.60/9,678,776.40 = 2,193,343.20/x
  3. Step 3: Cross multiply
    6,457,125.60x = 9,678,776.40 × 2,193,343.20
  4. Step 4: Simplify right side
    6,457,125.60x = 21,228,878,401,260.48
  5. Step 5: Solve for x
    x = 21,228,878,401,260.48/6,457,125.60
  6. Step 6: Final answer
    x = 3,287,666.95

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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.