Home / 5,178,049.60-7,767,074.40-3,386,459.20

Finding the Fourth Proportional to 5,178,049.60, 7,767,074.40 and 3,386,459.20

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Solution

The fourth proportional to 5,178,049.60, 7,767,074.40 and 3,386,459.20 is: 5,079,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,049.60 : 7,767,074.40 = 3,386,459.20 : x
  2. Step 2: Convert to fraction form
    5,178,049.60/7,767,074.40 = 3,386,459.20/x
  3. Step 3: Cross multiply
    5,178,049.60x = 7,767,074.40 × 3,386,459.20
  4. Step 4: Simplify right side
    5,178,049.60x = 26,302,880,558,964.48
  5. Step 5: Solve for x
    x = 26,302,880,558,964.48/5,178,049.60
  6. Step 6: Final answer
    x = 5,079,688.80

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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.