Home / 3,078,631.84-4,248,700.56-1,720,613.28

Finding the Fourth Proportional to 3,078,631.84, 4,248,700.56 and 1,720,613.28

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Solution

The fourth proportional to 3,078,631.84, 4,248,700.56 and 1,720,613.28 is: 2,374,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,631.84 : 4,248,700.56 = 1,720,613.28 : x
  2. Step 2: Convert to fraction form
    3,078,631.84/4,248,700.56 = 1,720,613.28/x
  3. Step 3: Cross multiply
    3,078,631.84x = 4,248,700.56 × 1,720,613.28
  4. Step 4: Simplify right side
    3,078,631.84x = 7,310,370,606,279.44
  5. Step 5: Solve for x
    x = 7,310,370,606,279.44/3,078,631.84
  6. Step 6: Final answer
    x = 2,374,551.74

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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.