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Finding the Fourth Proportional to 2,890,844.40, 4,336,266.60 and 896,041.20

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Solution

The fourth proportional to 2,890,844.40, 4,336,266.60 and 896,041.20 is: 1,344,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,844.40 : 4,336,266.60 = 896,041.20 : x
  2. Step 2: Convert to fraction form
    2,890,844.40/4,336,266.60 = 896,041.20/x
  3. Step 3: Cross multiply
    2,890,844.40x = 4,336,266.60 × 896,041.20
  4. Step 4: Simplify right side
    2,890,844.40x = 3,885,473,527,783.92
  5. Step 5: Solve for x
    x = 3,885,473,527,783.92/2,890,844.40
  6. Step 6: Final answer
    x = 1,344,061.80

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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.