Home / 2,945,159.36-4,417,246.95-815,458.76

Finding the Fourth Proportional to 2,945,159.36, 4,417,246.95 and 815,458.76

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Solution

The fourth proportional to 2,945,159.36, 4,417,246.95 and 815,458.76 is: 1,223,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,159.36 : 4,417,246.95 = 815,458.76 : x
  2. Step 2: Convert to fraction form
    2,945,159.36/4,417,246.95 = 815,458.76/x
  3. Step 3: Cross multiply
    2,945,159.36x = 4,417,246.95 × 815,458.76
  4. Step 4: Simplify right side
    2,945,159.36x = 3,602,082,698,374.55
  5. Step 5: Solve for x
    x = 3,602,082,698,374.55/2,945,159.36
  6. Step 6: Final answer
    x = 1,223,051.88

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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.