Home / 4,721,990.31-7,082,193.08-1,310,623.47

Finding the Fourth Proportional to 4,721,990.31, 7,082,193.08 and 1,310,623.47

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Solution

The fourth proportional to 4,721,990.31, 7,082,193.08 and 1,310,623.47 is: 1,965,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721,990.31 : 7,082,193.08 = 1,310,623.47 : x
  2. Step 2: Convert to fraction form
    4,721,990.31/7,082,193.08 = 1,310,623.47/x
  3. Step 3: Cross multiply
    4,721,990.31x = 7,082,193.08 × 1,310,623.47
  4. Step 4: Simplify right side
    4,721,990.31x = 9,282,088,472,996.15
  5. Step 5: Solve for x
    x = 9,282,088,472,996.15/4,721,990.31
  6. Step 6: Final answer
    x = 1,965,715.27

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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.