Home / 2,919,281.70-4,379,341.05-897,695.40

Finding the Fourth Proportional to 2,919,281.70, 4,379,341.05 and 897,695.40

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Solution

The fourth proportional to 2,919,281.70, 4,379,341.05 and 897,695.40 is: 1,346,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,281.70 : 4,379,341.05 = 897,695.40 : x
  2. Step 2: Convert to fraction form
    2,919,281.70/4,379,341.05 = 897,695.40/x
  3. Step 3: Cross multiply
    2,919,281.70x = 4,379,341.05 × 897,695.40
  4. Step 4: Simplify right side
    2,919,281.70x = 3,931,314,315,616.17
  5. Step 5: Solve for x
    x = 3,931,314,315,616.17/2,919,281.70
  6. Step 6: Final answer
    x = 1,346,671.79

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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.