Home / 2,920,491.40-4,381,152.25-898,903.78

Finding the Fourth Proportional to 2,920,491.40, 4,381,152.25 and 898,903.78

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Solution

The fourth proportional to 2,920,491.40, 4,381,152.25 and 898,903.78 is: 1,348,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,491.40 : 4,381,152.25 = 898,903.78 : x
  2. Step 2: Convert to fraction form
    2,920,491.40/4,381,152.25 = 898,903.78/x
  3. Step 3: Cross multiply
    2,920,491.40x = 4,381,152.25 × 898,903.78
  4. Step 4: Simplify right side
    2,920,491.40x = 3,938,234,306,765.81
  5. Step 5: Solve for x
    x = 3,938,234,306,765.81/2,920,491.40
  6. Step 6: Final answer
    x = 1,348,483.45

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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.