Home / 2,984,428.20-4,476,642.30-2,807,281.20

Finding the Fourth Proportional to 2,984,428.20, 4,476,642.30 and 2,807,281.20

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Solution

The fourth proportional to 2,984,428.20, 4,476,642.30 and 2,807,281.20 is: 4,210,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984,428.20 : 4,476,642.30 = 2,807,281.20 : x
  2. Step 2: Convert to fraction form
    2,984,428.20/4,476,642.30 = 2,807,281.20/x
  3. Step 3: Cross multiply
    2,984,428.20x = 4,476,642.30 × 2,807,281.20
  4. Step 4: Simplify right side
    2,984,428.20x = 12,567,193,767,914.76
  5. Step 5: Solve for x
    x = 12,567,193,767,914.76/2,984,428.20
  6. Step 6: Final answer
    x = 4,210,921.80

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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.