Home / 4,785,349.20-7,178,679.90-1,590,142.20

Finding the Fourth Proportional to 4,785,349.20, 7,178,679.90 and 1,590,142.20

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Solution

The fourth proportional to 4,785,349.20, 7,178,679.90 and 1,590,142.20 is: 2,385,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,349.20 : 7,178,679.90 = 1,590,142.20 : x
  2. Step 2: Convert to fraction form
    4,785,349.20/7,178,679.90 = 1,590,142.20/x
  3. Step 3: Cross multiply
    4,785,349.20x = 7,178,679.90 × 1,590,142.20
  4. Step 4: Simplify right side
    4,785,349.20x = 11,415,121,849,281.78
  5. Step 5: Solve for x
    x = 11,415,121,849,281.78/4,785,349.20
  6. Step 6: Final answer
    x = 2,385,431.32

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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.