Home / 3,397,389-4,688,590.80-1,947,326.05

Finding the Fourth Proportional to 3,397,389, 4,688,590.80 and 1,947,326.05

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Solution

The fourth proportional to 3,397,389, 4,688,590.80 and 1,947,326.05 is: 2,687,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397,389 : 4,688,590.80 = 1,947,326.05 : x
  2. Step 2: Convert to fraction form
    3,397,389/4,688,590.80 = 1,947,326.05/x
  3. Step 3: Cross multiply
    3,397,389x = 4,688,590.80 × 1,947,326.05
  4. Step 4: Simplify right side
    3,397,389x = 9,130,215,002,630.34
  5. Step 5: Solve for x
    x = 9,130,215,002,630.34/3,397,389
  6. Step 6: Final answer
    x = 2,687,421.14

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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.