Home / 2,178,710.40-3,264,177.60-1,054,300.80

Finding the Fourth Proportional to 2,178,710.40, 3,264,177.60 and 1,054,300.80

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Solution

The fourth proportional to 2,178,710.40, 3,264,177.60 and 1,054,300.80 is: 1,579,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,710.40 : 3,264,177.60 = 1,054,300.80 : x
  2. Step 2: Convert to fraction form
    2,178,710.40/3,264,177.60 = 1,054,300.80/x
  3. Step 3: Cross multiply
    2,178,710.40x = 3,264,177.60 × 1,054,300.80
  4. Step 4: Simplify right side
    2,178,710.40x = 3,441,425,055,022.08
  5. Step 5: Solve for x
    x = 3,441,425,055,022.08/2,178,710.40
  6. Step 6: Final answer
    x = 1,579,569.76

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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.