Home / 3,020,108.40-4,168,346.40-1,731,819.60

Finding the Fourth Proportional to 3,020,108.40, 4,168,346.40 and 1,731,819.60

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Solution

The fourth proportional to 3,020,108.40, 4,168,346.40 and 1,731,819.60 is: 2,390,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,108.40 : 4,168,346.40 = 1,731,819.60 : x
  2. Step 2: Convert to fraction form
    3,020,108.40/4,168,346.40 = 1,731,819.60/x
  3. Step 3: Cross multiply
    3,020,108.40x = 4,168,346.40 × 1,731,819.60
  4. Step 4: Simplify right side
    3,020,108.40x = 7,218,823,995,109.44
  5. Step 5: Solve for x
    x = 7,218,823,995,109.44/3,020,108.40
  6. Step 6: Final answer
    x = 2,390,253.28

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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.