Home / 1,915,289.40-2,871,621.90-904,895.40

Finding the Fourth Proportional to 1,915,289.40, 2,871,621.90 and 904,895.40

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Solution

The fourth proportional to 1,915,289.40, 2,871,621.90 and 904,895.40 is: 1,356,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,289.40 : 2,871,621.90 = 904,895.40 : x
  2. Step 2: Convert to fraction form
    1,915,289.40/2,871,621.90 = 904,895.40/x
  3. Step 3: Cross multiply
    1,915,289.40x = 2,871,621.90 × 904,895.40
  4. Step 4: Simplify right side
    1,915,289.40x = 2,598,517,447,849.26
  5. Step 5: Solve for x
    x = 2,598,517,447,849.26/1,915,289.40
  6. Step 6: Final answer
    x = 1,356,723.14

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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.