Home / 4,158,208.40-6,237,312.60-2,811,891.20

Finding the Fourth Proportional to 4,158,208.40, 6,237,312.60 and 2,811,891.20

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Solution

The fourth proportional to 4,158,208.40, 6,237,312.60 and 2,811,891.20 is: 4,217,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158,208.40 : 6,237,312.60 = 2,811,891.20 : x
  2. Step 2: Convert to fraction form
    4,158,208.40/6,237,312.60 = 2,811,891.20/x
  3. Step 3: Cross multiply
    4,158,208.40x = 6,237,312.60 × 2,811,891.20
  4. Step 4: Simplify right side
    4,158,208.40x = 17,538,644,411,589.12
  5. Step 5: Solve for x
    x = 17,538,644,411,589.12/4,158,208.40
  6. Step 6: Final answer
    x = 4,217,836.80

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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.