Home / 2,648,574.79-3,972,898.63-755,316.43

Finding the Fourth Proportional to 2,648,574.79, 3,972,898.63 and 755,316.43

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Solution

The fourth proportional to 2,648,574.79, 3,972,898.63 and 755,316.43 is: 1,132,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648,574.79 : 3,972,898.63 = 755,316.43 : x
  2. Step 2: Convert to fraction form
    2,648,574.79/3,972,898.63 = 755,316.43/x
  3. Step 3: Cross multiply
    2,648,574.79x = 3,972,898.63 × 755,316.43
  4. Step 4: Simplify right side
    2,648,574.79x = 3,000,795,600,975.39
  5. Step 5: Solve for x
    x = 3,000,795,600,975.39/2,648,574.79
  6. Step 6: Final answer
    x = 1,132,985.04

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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.