Home / 2,312,816.29-3,191,711.73-1,280,341.32

Finding the Fourth Proportional to 2,312,816.29, 3,191,711.73 and 1,280,341.32

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Solution

The fourth proportional to 2,312,816.29, 3,191,711.73 and 1,280,341.32 is: 1,766,885.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,816.29 : 3,191,711.73 = 1,280,341.32 : x
  2. Step 2: Convert to fraction form
    2,312,816.29/3,191,711.73 = 1,280,341.32/x
  3. Step 3: Cross multiply
    2,312,816.29x = 3,191,711.73 × 1,280,341.32
  4. Step 4: Simplify right side
    2,312,816.29x = 4,086,480,417,832.78
  5. Step 5: Solve for x
    x = 4,086,480,417,832.78/2,312,816.29
  6. Step 6: Final answer
    x = 1,766,885.00

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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.