Home / 1,871,815.80-2,809,566.90-926,254.20

Finding the Fourth Proportional to 1,871,815.80, 2,809,566.90 and 926,254.20

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Solution

The fourth proportional to 1,871,815.80, 2,809,566.90 and 926,254.20 is: 1,390,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,815.80 : 2,809,566.90 = 926,254.20 : x
  2. Step 2: Convert to fraction form
    1,871,815.80/2,809,566.90 = 926,254.20/x
  3. Step 3: Cross multiply
    1,871,815.80x = 2,809,566.90 × 926,254.20
  4. Step 4: Simplify right side
    1,871,815.80x = 2,602,373,141,305.98
  5. Step 5: Solve for x
    x = 2,602,373,141,305.98/1,871,815.80
  6. Step 6: Final answer
    x = 1,390,293.39

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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.