Home / 2,714,826.40-4,071,202.80-820,938.40

Finding the Fourth Proportional to 2,714,826.40, 4,071,202.80 and 820,938.40

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Solution

The fourth proportional to 2,714,826.40, 4,071,202.80 and 820,938.40 is: 1,231,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714,826.40 : 4,071,202.80 = 820,938.40 : x
  2. Step 2: Convert to fraction form
    2,714,826.40/4,071,202.80 = 820,938.40/x
  3. Step 3: Cross multiply
    2,714,826.40x = 4,071,202.80 × 820,938.40
  4. Step 4: Simplify right side
    2,714,826.40x = 3,342,206,712,707.52
  5. Step 5: Solve for x
    x = 3,342,206,712,707.52/2,714,826.40
  6. Step 6: Final answer
    x = 1,231,094.08

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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.