Home / 2,680,422.64-3,698,920.92-1,456,699.12

Finding the Fourth Proportional to 2,680,422.64, 3,698,920.92 and 1,456,699.12

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Solution

The fourth proportional to 2,680,422.64, 3,698,920.92 and 1,456,699.12 is: 2,010,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,422.64 : 3,698,920.92 = 1,456,699.12 : x
  2. Step 2: Convert to fraction form
    2,680,422.64/3,698,920.92 = 1,456,699.12/x
  3. Step 3: Cross multiply
    2,680,422.64x = 3,698,920.92 × 1,456,699.12
  4. Step 4: Simplify right side
    2,680,422.64x = 5,388,214,849,113.59
  5. Step 5: Solve for x
    x = 5,388,214,849,113.59/2,680,422.64
  6. Step 6: Final answer
    x = 2,010,210.92

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1.5x scale

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.