Home / 2,688,301.20-4,032,451.80-1,005,056.40

Finding the Fourth Proportional to 2,688,301.20, 4,032,451.80 and 1,005,056.40

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Solution

The fourth proportional to 2,688,301.20, 4,032,451.80 and 1,005,056.40 is: 1,507,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,301.20 : 4,032,451.80 = 1,005,056.40 : x
  2. Step 2: Convert to fraction form
    2,688,301.20/4,032,451.80 = 1,005,056.40/x
  3. Step 3: Cross multiply
    2,688,301.20x = 4,032,451.80 × 1,005,056.40
  4. Step 4: Simplify right side
    2,688,301.20x = 4,052,841,489,281.52
  5. Step 5: Solve for x
    x = 4,052,841,489,281.52/2,688,301.20
  6. Step 6: Final answer
    x = 1,507,584.60

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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.