Home / 5,309,045.76-7,963,597.80-1,319,957.76

Finding the Fourth Proportional to 5,309,045.76, 7,963,597.80 and 1,319,957.76

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Solution

The fourth proportional to 5,309,045.76, 7,963,597.80 and 1,319,957.76 is: 1,979,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309,045.76 : 7,963,597.80 = 1,319,957.76 : x
  2. Step 2: Convert to fraction form
    5,309,045.76/7,963,597.80 = 1,319,957.76/x
  3. Step 3: Cross multiply
    5,309,045.76x = 7,963,597.80 × 1,319,957.76
  4. Step 4: Simplify right side
    5,309,045.76x = 10,511,612,713,628.93
  5. Step 5: Solve for x
    x = 10,511,612,713,628.93/5,309,045.76
  6. Step 6: Final answer
    x = 1,979,943.89

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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.