Home / 1,587,957.58-2,191,389.58-862,807.15

Finding the Fourth Proportional to 1,587,957.58, 2,191,389.58 and 862,807.15

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Solution

The fourth proportional to 1,587,957.58, 2,191,389.58 and 862,807.15 is: 1,190,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,957.58 : 2,191,389.58 = 862,807.15 : x
  2. Step 2: Convert to fraction form
    1,587,957.58/2,191,389.58 = 862,807.15/x
  3. Step 3: Cross multiply
    1,587,957.58x = 2,191,389.58 × 862,807.15
  4. Step 4: Simplify right side
    1,587,957.58x = 1,890,746,598,059.50
  5. Step 5: Solve for x
    x = 1,890,746,598,059.50/1,587,957.58
  6. Step 6: Final answer
    x = 1,190,678.28

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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.