Home / 1,941,278.40-2,679,164.55-1,167,162.48

Finding the Fourth Proportional to 1,941,278.40, 2,679,164.55 and 1,167,162.48

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Solution

The fourth proportional to 1,941,278.40, 2,679,164.55 and 1,167,162.48 is: 1,610,804.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,278.40 : 2,679,164.55 = 1,167,162.48 : x
  2. Step 2: Convert to fraction form
    1,941,278.40/2,679,164.55 = 1,167,162.48/x
  3. Step 3: Cross multiply
    1,941,278.40x = 2,679,164.55 × 1,167,162.48
  4. Step 4: Simplify right side
    1,941,278.40x = 3,127,020,340,506.08
  5. Step 5: Solve for x
    x = 3,127,020,340,506.08/1,941,278.40
  6. Step 6: Final answer
    x = 1,610,804.68

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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.