Home / 5,343,453.12-7,374,054.87-2,896,142.88

Finding the Fourth Proportional to 5,343,453.12, 7,374,054.87 and 2,896,142.88

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Solution

The fourth proportional to 5,343,453.12, 7,374,054.87 and 2,896,142.88 is: 3,996,725.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343,453.12 : 7,374,054.87 = 2,896,142.88 : x
  2. Step 2: Convert to fraction form
    5,343,453.12/7,374,054.87 = 2,896,142.88/x
  3. Step 3: Cross multiply
    5,343,453.12x = 7,374,054.87 × 2,896,142.88
  4. Step 4: Simplify right side
    5,343,453.12x = 21,356,316,508,479.82
  5. Step 5: Solve for x
    x = 21,356,316,508,479.82/5,343,453.12
  6. Step 6: Final answer
    x = 3,996,725.72

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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.