Home / 2,920,297.12-4,374,342-2,348,586.40

Finding the Fourth Proportional to 2,920,297.12, 4,374,342 and 2,348,586.40

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Solution

The fourth proportional to 2,920,297.12, 4,374,342 and 2,348,586.40 is: 3,517,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,297.12 : 4,374,342 = 2,348,586.40 : x
  2. Step 2: Convert to fraction form
    2,920,297.12/4,374,342 = 2,348,586.40/x
  3. Step 3: Cross multiply
    2,920,297.12x = 4,374,342 × 2,348,586.40
  4. Step 4: Simplify right side
    2,920,297.12x = 10,273,520,130,148.80
  5. Step 5: Solve for x
    x = 10,273,520,130,148.80/2,920,297.12
  6. Step 6: Final answer
    x = 3,517,970.85

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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.