Home / 5,640,043.20-8,460,064.80-1,852,612.80

Finding the Fourth Proportional to 5,640,043.20, 8,460,064.80 and 1,852,612.80

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Solution

The fourth proportional to 5,640,043.20, 8,460,064.80 and 1,852,612.80 is: 2,778,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640,043.20 : 8,460,064.80 = 1,852,612.80 : x
  2. Step 2: Convert to fraction form
    5,640,043.20/8,460,064.80 = 1,852,612.80/x
  3. Step 3: Cross multiply
    5,640,043.20x = 8,460,064.80 × 1,852,612.80
  4. Step 4: Simplify right side
    5,640,043.20x = 15,673,224,337,309.44
  5. Step 5: Solve for x
    x = 15,673,224,337,309.44/5,640,043.20
  6. Step 6: Final answer
    x = 2,778,919.20

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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.