Home / 2,680,825.20-4,021,237.80-2,386,892.40

Finding the Fourth Proportional to 2,680,825.20, 4,021,237.80 and 2,386,892.40

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Solution

The fourth proportional to 2,680,825.20, 4,021,237.80 and 2,386,892.40 is: 3,580,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,825.20 : 4,021,237.80 = 2,386,892.40 : x
  2. Step 2: Convert to fraction form
    2,680,825.20/4,021,237.80 = 2,386,892.40/x
  3. Step 3: Cross multiply
    2,680,825.20x = 4,021,237.80 × 2,386,892.40
  4. Step 4: Simplify right side
    2,680,825.20x = 9,598,261,943,412.72
  5. Step 5: Solve for x
    x = 9,598,261,943,412.72/2,680,825.20
  6. Step 6: Final answer
    x = 3,580,338.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.