Home / 2,772,790.80-4,152,187.80-1,821,008.40

Finding the Fourth Proportional to 2,772,790.80, 4,152,187.80 and 1,821,008.40

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Solution

The fourth proportional to 2,772,790.80, 4,152,187.80 and 1,821,008.40 is: 2,726,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,790.80 : 4,152,187.80 = 1,821,008.40 : x
  2. Step 2: Convert to fraction form
    2,772,790.80/4,152,187.80 = 1,821,008.40/x
  3. Step 3: Cross multiply
    2,772,790.80x = 4,152,187.80 × 1,821,008.40
  4. Step 4: Simplify right side
    2,772,790.80x = 7,561,168,862,177.52
  5. Step 5: Solve for x
    x = 7,561,168,862,177.52/2,772,790.80
  6. Step 6: Final answer
    x = 2,726,916.46

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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.