Home / 1,562,156.28-2,155,938.03-899,891.00

Finding the Fourth Proportional to 1,562,156.28, 2,155,938.03 and 899,891.00

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Solution

The fourth proportional to 1,562,156.28, 2,155,938.03 and 899,891.00 is: 1,241,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,156.28 : 2,155,938.03 = 899,891.00 : x
  2. Step 2: Convert to fraction form
    1,562,156.28/2,155,938.03 = 899,891.00/x
  3. Step 3: Cross multiply
    1,562,156.28x = 2,155,938.03 × 899,891.00
  4. Step 4: Simplify right side
    1,562,156.28x = 1,940,109,218,975.04
  5. Step 5: Solve for x
    x = 1,940,109,218,975.04/1,562,156.28
  6. Step 6: Final answer
    x = 1,241,943.10

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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.