Home / 5,189,905.47-7,162,041.03-2,866,957.89

Finding the Fourth Proportional to 5,189,905.47, 7,162,041.03 and 2,866,957.89

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Solution

The fourth proportional to 5,189,905.47, 7,162,041.03 and 2,866,957.89 is: 3,956,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,905.47 : 7,162,041.03 = 2,866,957.89 : x
  2. Step 2: Convert to fraction form
    5,189,905.47/7,162,041.03 = 2,866,957.89/x
  3. Step 3: Cross multiply
    5,189,905.47x = 7,162,041.03 × 2,866,957.89
  4. Step 4: Simplify right side
    5,189,905.47x = 20,533,270,039,462.23
  5. Step 5: Solve for x
    x = 20,533,270,039,462.23/5,189,905.47
  6. Step 6: Final answer
    x = 3,956,386.13

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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.