Home / 3,123,141.48-4,685,178.30-993,295.08

Finding the Fourth Proportional to 3,123,141.48, 4,685,178.30 and 993,295.08

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Solution

The fourth proportional to 3,123,141.48, 4,685,178.30 and 993,295.08 is: 1,490,090.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,141.48 : 4,685,178.30 = 993,295.08 : x
  2. Step 2: Convert to fraction form
    3,123,141.48/4,685,178.30 = 993,295.08/x
  3. Step 3: Cross multiply
    3,123,141.48x = 4,685,178.30 × 993,295.08
  4. Step 4: Simplify right side
    3,123,141.48x = 4,653,764,554,312.76
  5. Step 5: Solve for x
    x = 4,653,764,554,312.76/3,123,141.48
  6. Step 6: Final answer
    x = 1,490,090.85

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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.