Home / 2,657,984.40-3,990,913.20-2,059,621.20

Finding the Fourth Proportional to 2,657,984.40, 3,990,913.20 and 2,059,621.20

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Solution

The fourth proportional to 2,657,984.40, 3,990,913.20 and 2,059,621.20 is: 3,092,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,984.40 : 3,990,913.20 = 2,059,621.20 : x
  2. Step 2: Convert to fraction form
    2,657,984.40/3,990,913.20 = 2,059,621.20/x
  3. Step 3: Cross multiply
    2,657,984.40x = 3,990,913.20 × 2,059,621.20
  4. Step 4: Simplify right side
    2,657,984.40x = 8,219,769,434,079.84
  5. Step 5: Solve for x
    x = 8,219,769,434,079.84/2,657,984.40
  6. Step 6: Final answer
    x = 3,092,482.20

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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.