Home / 2,945,160.86-4,417,249.20-815,460.26

Finding the Fourth Proportional to 2,945,160.86, 4,417,249.20 and 815,460.26

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Solution

The fourth proportional to 2,945,160.86, 4,417,249.20 and 815,460.26 is: 1,223,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,160.86 : 4,417,249.20 = 815,460.26 : x
  2. Step 2: Convert to fraction form
    2,945,160.86/4,417,249.20 = 815,460.26/x
  3. Step 3: Cross multiply
    2,945,160.86x = 4,417,249.20 × 815,460.26
  4. Step 4: Simplify right side
    2,945,160.86x = 3,602,091,159,030.55
  5. Step 5: Solve for x
    x = 3,602,091,159,030.55/2,945,160.86
  6. Step 6: Final answer
    x = 1,223,054.13

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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.