Home / 1,857,007.60-2,785,122.60-911,057.20

Finding the Fourth Proportional to 1,857,007.60, 2,785,122.60 and 911,057.20

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Solution

The fourth proportional to 1,857,007.60, 2,785,122.60 and 911,057.20 is: 1,366,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,007.60 : 2,785,122.60 = 911,057.20 : x
  2. Step 2: Convert to fraction form
    1,857,007.60/2,785,122.60 = 911,057.20/x
  3. Step 3: Cross multiply
    1,857,007.60x = 2,785,122.60 × 911,057.20
  4. Step 4: Simplify right side
    1,857,007.60x = 2,537,405,997,612.72
  5. Step 5: Solve for x
    x = 2,537,405,997,612.72/1,857,007.60
  6. Step 6: Final answer
    x = 1,366,395.05

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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.