Home / 2,945,159.86-4,417,247.70-815,459.26

Finding the Fourth Proportional to 2,945,159.86, 4,417,247.70 and 815,459.26

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Solution

The fourth proportional to 2,945,159.86, 4,417,247.70 and 815,459.26 is: 1,223,052.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,159.86 : 4,417,247.70 = 815,459.26 : x
  2. Step 2: Convert to fraction form
    2,945,159.86/4,417,247.70 = 815,459.26/x
  3. Step 3: Cross multiply
    2,945,159.86x = 4,417,247.70 × 815,459.26
  4. Step 4: Simplify right side
    2,945,159.86x = 3,602,085,518,592.46
  5. Step 5: Solve for x
    x = 3,602,085,518,592.46/2,945,159.86
  6. Step 6: Final answer
    x = 1,223,052.63

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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.