Home / 1,813,809.40-2,722,809.30-974,001.40

Finding the Fourth Proportional to 1,813,809.40, 2,722,809.30 and 974,001.40

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Solution

The fourth proportional to 1,813,809.40, 2,722,809.30 and 974,001.40 is: 1,462,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,809.40 : 2,722,809.30 = 974,001.40 : x
  2. Step 2: Convert to fraction form
    1,813,809.40/2,722,809.30 = 974,001.40/x
  3. Step 3: Cross multiply
    1,813,809.40x = 2,722,809.30 × 974,001.40
  4. Step 4: Simplify right side
    1,813,809.40x = 2,652,020,070,133.02
  5. Step 5: Solve for x
    x = 2,652,020,070,133.02/1,813,809.40
  6. Step 6: Final answer
    x = 1,462,127.21

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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.