Home / 4,378,931.66-6,045,769.14-3,919,249.10

Finding the Fourth Proportional to 4,378,931.66, 6,045,769.14 and 3,919,249.10

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Solution

The fourth proportional to 4,378,931.66, 6,045,769.14 and 3,919,249.10 is: 5,411,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378,931.66 : 6,045,769.14 = 3,919,249.10 : x
  2. Step 2: Convert to fraction form
    4,378,931.66/6,045,769.14 = 3,919,249.10/x
  3. Step 3: Cross multiply
    4,378,931.66x = 6,045,769.14 × 3,919,249.10
  4. Step 4: Simplify right side
    4,378,931.66x = 23,694,875,260,752.77
  5. Step 5: Solve for x
    x = 23,694,875,260,752.77/4,378,931.66
  6. Step 6: Final answer
    x = 5,411,108.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.