Home / 2,175,210.04-3,001,788.30-1,208,430.76

Finding the Fourth Proportional to 2,175,210.04, 3,001,788.30 and 1,208,430.76

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Solution

The fourth proportional to 2,175,210.04, 3,001,788.30 and 1,208,430.76 is: 1,667,633.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,210.04 : 3,001,788.30 = 1,208,430.76 : x
  2. Step 2: Convert to fraction form
    2,175,210.04/3,001,788.30 = 1,208,430.76/x
  3. Step 3: Cross multiply
    2,175,210.04x = 3,001,788.30 × 1,208,430.76
  4. Step 4: Simplify right side
    2,175,210.04x = 3,627,453,318,190.43
  5. Step 5: Solve for x
    x = 3,627,453,318,190.43/2,175,210.04
  6. Step 6: Final answer
    x = 1,667,633.58

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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.