Home / 7,123,449.72-10,685,024.73-1,732,127.79

Finding the Fourth Proportional to 7,123,449.72, 10,685,024.73 and 1,732,127.79

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Solution

The fourth proportional to 7,123,449.72, 10,685,024.73 and 1,732,127.79 is: 2,598,155.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123,449.72 : 10,685,024.73 = 1,732,127.79 : x
  2. Step 2: Convert to fraction form
    7,123,449.72/10,685,024.73 = 1,732,127.79/x
  3. Step 3: Cross multiply
    7,123,449.72x = 10,685,024.73 × 1,732,127.79
  4. Step 4: Simplify right side
    7,123,449.72x = 18,507,828,271,670.25
  5. Step 5: Solve for x
    x = 18,507,828,271,670.25/7,123,449.72
  6. Step 6: Final answer
    x = 2,598,155.25

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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.