Home / 3,118,397-4,303,387.89-1,687,613

Finding the Fourth Proportional to 3,118,397, 4,303,387.89 and 1,687,613

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Solution

The fourth proportional to 3,118,397, 4,303,387.89 and 1,687,613 is: 2,328,905.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,397 : 4,303,387.89 = 1,687,613 : x
  2. Step 2: Convert to fraction form
    3,118,397/4,303,387.89 = 1,687,613/x
  3. Step 3: Cross multiply
    3,118,397x = 4,303,387.89 × 1,687,613
  4. Step 4: Simplify right side
    3,118,397x = 7,262,453,347,206.57
  5. Step 5: Solve for x
    x = 7,262,453,347,206.57/3,118,397
  6. Step 6: Final answer
    x = 2,328,905.96

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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.