Home / 3,158,561.43-4,358,814.78-1,708,256.87

Finding the Fourth Proportional to 3,158,561.43, 4,358,814.78 and 1,708,256.87

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Solution

The fourth proportional to 3,158,561.43, 4,358,814.78 and 1,708,256.87 is: 2,357,394.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,561.43 : 4,358,814.78 = 1,708,256.87 : x
  2. Step 2: Convert to fraction form
    3,158,561.43/4,358,814.78 = 1,708,256.87/x
  3. Step 3: Cross multiply
    3,158,561.43x = 4,358,814.78 × 1,708,256.87
  4. Step 4: Simplify right side
    3,158,561.43x = 7,445,975,262,657.18
  5. Step 5: Solve for x
    x = 7,445,975,262,657.18/3,158,561.43
  6. Step 6: Final answer
    x = 2,357,394.47

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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.