Home / 1,872,004.80-2,808,007.20-1,241,630.40

Finding the Fourth Proportional to 1,872,004.80, 2,808,007.20 and 1,241,630.40

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Solution

The fourth proportional to 1,872,004.80, 2,808,007.20 and 1,241,630.40 is: 1,862,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,004.80 : 2,808,007.20 = 1,241,630.40 : x
  2. Step 2: Convert to fraction form
    1,872,004.80/2,808,007.20 = 1,241,630.40/x
  3. Step 3: Cross multiply
    1,872,004.80x = 2,808,007.20 × 1,241,630.40
  4. Step 4: Simplify right side
    1,872,004.80x = 3,486,507,102,938.88
  5. Step 5: Solve for x
    x = 3,486,507,102,938.88/1,872,004.80
  6. Step 6: Final answer
    x = 1,862,445.60

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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.