Home / 5,613,621.80-8,420,432.70-2,019,943.40

Finding the Fourth Proportional to 5,613,621.80, 8,420,432.70 and 2,019,943.40

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Solution

The fourth proportional to 5,613,621.80, 8,420,432.70 and 2,019,943.40 is: 3,029,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613,621.80 : 8,420,432.70 = 2,019,943.40 : x
  2. Step 2: Convert to fraction form
    5,613,621.80/8,420,432.70 = 2,019,943.40/x
  3. Step 3: Cross multiply
    5,613,621.80x = 8,420,432.70 × 2,019,943.40
  4. Step 4: Simplify right side
    5,613,621.80x = 17,008,797,457,509.18
  5. Step 5: Solve for x
    x = 17,008,797,457,509.18/5,613,621.80
  6. Step 6: Final answer
    x = 3,029,915.10

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1.5x scale

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.