Home / 5,426,979.57-7,489,246.54-2,979,749.13

Finding the Fourth Proportional to 5,426,979.57, 7,489,246.54 and 2,979,749.13

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Solution

The fourth proportional to 5,426,979.57, 7,489,246.54 and 2,979,749.13 is: 4,112,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,979.57 : 7,489,246.54 = 2,979,749.13 : x
  2. Step 2: Convert to fraction form
    5,426,979.57/7,489,246.54 = 2,979,749.13/x
  3. Step 3: Cross multiply
    5,426,979.57x = 7,489,246.54 × 2,979,749.13
  4. Step 4: Simplify right side
    5,426,979.57x = 22,316,075,824,474.28
  5. Step 5: Solve for x
    x = 22,316,075,824,474.28/5,426,979.57
  6. Step 6: Final answer
    x = 4,112,061.88

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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.