Home / 2,690,570.74-4,033,724.80-1,342,039.20

Finding the Fourth Proportional to 2,690,570.74, 4,033,724.80 and 1,342,039.20

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Solution

The fourth proportional to 2,690,570.74, 4,033,724.80 and 1,342,039.20 is: 2,011,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,570.74 : 4,033,724.80 = 1,342,039.20 : x
  2. Step 2: Convert to fraction form
    2,690,570.74/4,033,724.80 = 1,342,039.20/x
  3. Step 3: Cross multiply
    2,690,570.74x = 4,033,724.80 × 1,342,039.20
  4. Step 4: Simplify right side
    2,690,570.74x = 5,413,416,803,612.16
  5. Step 5: Solve for x
    x = 5,413,416,803,612.16/2,690,570.74
  6. Step 6: Final answer
    x = 2,011,995.72

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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.