Home / 1,655,207.40-2,482,811.10-1,323,431.40

Finding the Fourth Proportional to 1,655,207.40, 2,482,811.10 and 1,323,431.40

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Solution

The fourth proportional to 1,655,207.40, 2,482,811.10 and 1,323,431.40 is: 1,985,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,207.40 : 2,482,811.10 = 1,323,431.40 : x
  2. Step 2: Convert to fraction form
    1,655,207.40/2,482,811.10 = 1,323,431.40/x
  3. Step 3: Cross multiply
    1,655,207.40x = 2,482,811.10 × 1,323,431.40
  4. Step 4: Simplify right side
    1,655,207.40x = 3,285,830,170,008.54
  5. Step 5: Solve for x
    x = 3,285,830,170,008.54/1,655,207.40
  6. Step 6: Final answer
    x = 1,985,147.10

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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.