Home / 2,781,353.40-4,172,030.10-1,097,590.20

Finding the Fourth Proportional to 2,781,353.40, 4,172,030.10 and 1,097,590.20

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Solution

The fourth proportional to 2,781,353.40, 4,172,030.10 and 1,097,590.20 is: 1,646,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,353.40 : 4,172,030.10 = 1,097,590.20 : x
  2. Step 2: Convert to fraction form
    2,781,353.40/4,172,030.10 = 1,097,590.20/x
  3. Step 3: Cross multiply
    2,781,353.40x = 4,172,030.10 × 1,097,590.20
  4. Step 4: Simplify right side
    2,781,353.40x = 4,579,179,351,865.02
  5. Step 5: Solve for x
    x = 4,579,179,351,865.02/2,781,353.40
  6. Step 6: Final answer
    x = 1,646,385.30

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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.