Home / 3,158,613-4,358,885.88-1,708,308.40

Finding the Fourth Proportional to 3,158,613, 4,358,885.88 and 1,708,308.40

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Solution

The fourth proportional to 3,158,613, 4,358,885.88 and 1,708,308.40 is: 2,357,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,613 : 4,358,885.88 = 1,708,308.40 : x
  2. Step 2: Convert to fraction form
    3,158,613/4,358,885.88 = 1,708,308.40/x
  3. Step 3: Cross multiply
    3,158,613x = 4,358,885.88 × 1,708,308.40
  4. Step 4: Simplify right side
    3,158,613x = 7,446,321,363,445.39
  5. Step 5: Solve for x
    x = 7,446,321,363,445.39/3,158,613
  6. Step 6: Final answer
    x = 2,357,465.56

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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.