Home / 2,103,205.20-3,154,807.80-1,301,888.40

Finding the Fourth Proportional to 2,103,205.20, 3,154,807.80 and 1,301,888.40

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Solution

The fourth proportional to 2,103,205.20, 3,154,807.80 and 1,301,888.40 is: 1,952,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,205.20 : 3,154,807.80 = 1,301,888.40 : x
  2. Step 2: Convert to fraction form
    2,103,205.20/3,154,807.80 = 1,301,888.40/x
  3. Step 3: Cross multiply
    2,103,205.20x = 3,154,807.80 × 1,301,888.40
  4. Step 4: Simplify right side
    2,103,205.20x = 4,107,207,679,049.52
  5. Step 5: Solve for x
    x = 4,107,207,679,049.52/2,103,205.20
  6. Step 6: Final answer
    x = 1,952,832.60

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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.