Home / 2,840,865.05-3,920,219.20-1,551,443.87

Finding the Fourth Proportional to 2,840,865.05, 3,920,219.20 and 1,551,443.87

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Solution

The fourth proportional to 2,840,865.05, 3,920,219.20 and 1,551,443.87 is: 2,140,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,865.05 : 3,920,219.20 = 1,551,443.87 : x
  2. Step 2: Convert to fraction form
    2,840,865.05/3,920,219.20 = 1,551,443.87/x
  3. Step 3: Cross multiply
    2,840,865.05x = 3,920,219.20 × 1,551,443.87
  4. Step 4: Simplify right side
    2,840,865.05x = 6,082,000,058,636.16
  5. Step 5: Solve for x
    x = 6,082,000,058,636.16/2,840,865.05
  6. Step 6: Final answer
    x = 2,140,897.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.