Home / 2,714,312.20-4,071,338.70-917,019.40

Finding the Fourth Proportional to 2,714,312.20, 4,071,338.70 and 917,019.40

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Solution

The fourth proportional to 2,714,312.20, 4,071,338.70 and 917,019.40 is: 1,375,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714,312.20 : 4,071,338.70 = 917,019.40 : x
  2. Step 2: Convert to fraction form
    2,714,312.20/4,071,338.70 = 917,019.40/x
  3. Step 3: Cross multiply
    2,714,312.20x = 4,071,338.70 × 917,019.40
  4. Step 4: Simplify right side
    2,714,312.20x = 3,733,496,571,870.78
  5. Step 5: Solve for x
    x = 3,733,496,571,870.78/2,714,312.20
  6. Step 6: Final answer
    x = 1,375,485.32

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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.