Home / 5,638,722.72-7,781,444.64-3,060,403.20

Finding the Fourth Proportional to 5,638,722.72, 7,781,444.64 and 3,060,403.20

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Solution

The fourth proportional to 5,638,722.72, 7,781,444.64 and 3,060,403.20 is: 4,223,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,722.72 : 7,781,444.64 = 3,060,403.20 : x
  2. Step 2: Convert to fraction form
    5,638,722.72/7,781,444.64 = 3,060,403.20/x
  3. Step 3: Cross multiply
    5,638,722.72x = 7,781,444.64 × 3,060,403.20
  4. Step 4: Simplify right side
    5,638,722.72x = 23,814,358,076,878.85
  5. Step 5: Solve for x
    x = 23,814,358,076,878.85/5,638,722.72
  6. Step 6: Final answer
    x = 4,223,360.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.