Home / 2,640,025.15-3,642,933.54-1,478,309.89

Finding the Fourth Proportional to 2,640,025.15, 3,642,933.54 and 1,478,309.89

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Solution

The fourth proportional to 2,640,025.15, 3,642,933.54 and 1,478,309.89 is: 2,039,899.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,025.15 : 3,642,933.54 = 1,478,309.89 : x
  2. Step 2: Convert to fraction form
    2,640,025.15/3,642,933.54 = 1,478,309.89/x
  3. Step 3: Cross multiply
    2,640,025.15x = 3,642,933.54 × 1,478,309.89
  4. Step 4: Simplify right side
    2,640,025.15x = 5,385,384,675,746.05
  5. Step 5: Solve for x
    x = 5,385,384,675,746.05/2,640,025.15
  6. Step 6: Final answer
    x = 2,039,899.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.