Home / 2,931,700.80-4,401,487.80-1,871,443.20

Finding the Fourth Proportional to 2,931,700.80, 4,401,487.80 and 1,871,443.20

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Solution

The fourth proportional to 2,931,700.80, 4,401,487.80 and 1,871,443.20 is: 2,809,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,700.80 : 4,401,487.80 = 1,871,443.20 : x
  2. Step 2: Convert to fraction form
    2,931,700.80/4,401,487.80 = 1,871,443.20/x
  3. Step 3: Cross multiply
    2,931,700.80x = 4,401,487.80 × 1,871,443.20
  4. Step 4: Simplify right side
    2,931,700.80x = 8,237,134,413,192.96
  5. Step 5: Solve for x
    x = 8,237,134,413,192.96/2,931,700.80
  6. Step 6: Final answer
    x = 2,809,677.72

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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.