Home / 2,688,531.20-4,032,796.80-2,626,323.20

Finding the Fourth Proportional to 2,688,531.20, 4,032,796.80 and 2,626,323.20

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Solution

The fourth proportional to 2,688,531.20, 4,032,796.80 and 2,626,323.20 is: 3,939,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,531.20 : 4,032,796.80 = 2,626,323.20 : x
  2. Step 2: Convert to fraction form
    2,688,531.20/4,032,796.80 = 2,626,323.20/x
  3. Step 3: Cross multiply
    2,688,531.20x = 4,032,796.80 × 2,626,323.20
  4. Step 4: Simplify right side
    2,688,531.20x = 10,591,427,796,725.76
  5. Step 5: Solve for x
    x = 10,591,427,796,725.76/2,688,531.20
  6. Step 6: Final answer
    x = 3,939,484.80

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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.