Home / 2,697,979.60-4,046,969.40-2,492,693.20

Finding the Fourth Proportional to 2,697,979.60, 4,046,969.40 and 2,492,693.20

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Solution

The fourth proportional to 2,697,979.60, 4,046,969.40 and 2,492,693.20 is: 3,739,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697,979.60 : 4,046,969.40 = 2,492,693.20 : x
  2. Step 2: Convert to fraction form
    2,697,979.60/4,046,969.40 = 2,492,693.20/x
  3. Step 3: Cross multiply
    2,697,979.60x = 4,046,969.40 × 2,492,693.20
  4. Step 4: Simplify right side
    2,697,979.60x = 10,087,853,103,988.08
  5. Step 5: Solve for x
    x = 10,087,853,103,988.08/2,697,979.60
  6. Step 6: Final answer
    x = 3,739,039.80

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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.