Home / 2,989,570.20-4,484,355.30-2,871,472.20

Finding the Fourth Proportional to 2,989,570.20, 4,484,355.30 and 2,871,472.20

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Solution

The fourth proportional to 2,989,570.20, 4,484,355.30 and 2,871,472.20 is: 4,307,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,570.20 : 4,484,355.30 = 2,871,472.20 : x
  2. Step 2: Convert to fraction form
    2,989,570.20/4,484,355.30 = 2,871,472.20/x
  3. Step 3: Cross multiply
    2,989,570.20x = 4,484,355.30 × 2,871,472.20
  4. Step 4: Simplify right side
    2,989,570.20x = 12,876,701,578,872.66
  5. Step 5: Solve for x
    x = 12,876,701,578,872.66/2,989,570.20
  6. Step 6: Final answer
    x = 4,307,208.30

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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.