Home / 2,920,279.72-4,381,541.43-2,056,543.60

Finding the Fourth Proportional to 2,920,279.72, 4,381,541.43 and 2,056,543.60

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Solution

The fourth proportional to 2,920,279.72, 4,381,541.43 and 2,056,543.60 is: 3,085,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,279.72 : 4,381,541.43 = 2,056,543.60 : x
  2. Step 2: Convert to fraction form
    2,920,279.72/4,381,541.43 = 2,056,543.60/x
  3. Step 3: Cross multiply
    2,920,279.72x = 4,381,541.43 × 2,056,543.60
  4. Step 4: Simplify right side
    2,920,279.72x = 9,010,830,986,001.35
  5. Step 5: Solve for x
    x = 9,010,830,986,001.35/2,920,279.72
  6. Step 6: Final answer
    x = 3,085,605.44

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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.