Home / 1,872,044.60-2,807,030.10-806,905.40

Finding the Fourth Proportional to 1,872,044.60, 2,807,030.10 and 806,905.40

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Solution

The fourth proportional to 1,872,044.60, 2,807,030.10 and 806,905.40 is: 1,209,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,044.60 : 2,807,030.10 = 806,905.40 : x
  2. Step 2: Convert to fraction form
    1,872,044.60/2,807,030.10 = 806,905.40/x
  3. Step 3: Cross multiply
    1,872,044.60x = 2,807,030.10 × 806,905.40
  4. Step 4: Simplify right side
    1,872,044.60x = 2,265,007,745,652.54
  5. Step 5: Solve for x
    x = 2,265,007,745,652.54/1,872,044.60
  6. Step 6: Final answer
    x = 1,209,911.21

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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.