Home / 1,920,383.03-2,880,721.56-572,442.59

Finding the Fourth Proportional to 1,920,383.03, 2,880,721.56 and 572,442.59

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Solution

The fourth proportional to 1,920,383.03, 2,880,721.56 and 572,442.59 is: 858,707.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,383.03 : 2,880,721.56 = 572,442.59 : x
  2. Step 2: Convert to fraction form
    1,920,383.03/2,880,721.56 = 572,442.59/x
  3. Step 3: Cross multiply
    1,920,383.03x = 2,880,721.56 × 572,442.59
  4. Step 4: Simplify right side
    1,920,383.03x = 1,649,047,720,223.70
  5. Step 5: Solve for x
    x = 1,649,047,720,223.70/1,920,383.03
  6. Step 6: Final answer
    x = 858,707.71

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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.