Home / 2,945,174.51-4,417,269.69-815,473.91

Finding the Fourth Proportional to 2,945,174.51, 4,417,269.69 and 815,473.91

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Solution

The fourth proportional to 2,945,174.51, 4,417,269.69 and 815,473.91 is: 1,223,074.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,174.51 : 4,417,269.69 = 815,473.91 : x
  2. Step 2: Convert to fraction form
    2,945,174.51/4,417,269.69 = 815,473.91/x
  3. Step 3: Cross multiply
    2,945,174.51x = 4,417,269.69 × 815,473.91
  4. Step 4: Simplify right side
    2,945,174.51x = 3,602,168,199,729.99
  5. Step 5: Solve for x
    x = 3,602,168,199,729.99/2,945,174.51
  6. Step 6: Final answer
    x = 1,223,074.62

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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.