Home / 3,157,857.53-4,357,840.28-1,707,549.50

Finding the Fourth Proportional to 3,157,857.53, 4,357,840.28 and 1,707,549.50

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Solution

The fourth proportional to 3,157,857.53, 4,357,840.28 and 1,707,549.50 is: 2,356,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,857.53 : 4,357,840.28 = 1,707,549.50 : x
  2. Step 2: Convert to fraction form
    3,157,857.53/4,357,840.28 = 1,707,549.50/x
  3. Step 3: Cross multiply
    3,157,857.53x = 4,357,840.28 × 1,707,549.50
  4. Step 4: Simplify right side
    3,157,857.53x = 7,441,227,960,866.91
  5. Step 5: Solve for x
    x = 7,441,227,960,866.91/3,157,857.53
  6. Step 6: Final answer
    x = 2,356,416.62

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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.