Home / 2,774,379.60-4,161,569.40-779,576.40

Finding the Fourth Proportional to 2,774,379.60, 4,161,569.40 and 779,576.40

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Solution

The fourth proportional to 2,774,379.60, 4,161,569.40 and 779,576.40 is: 1,169,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,379.60 : 4,161,569.40 = 779,576.40 : x
  2. Step 2: Convert to fraction form
    2,774,379.60/4,161,569.40 = 779,576.40/x
  3. Step 3: Cross multiply
    2,774,379.60x = 4,161,569.40 × 779,576.40
  4. Step 4: Simplify right side
    2,774,379.60x = 3,244,261,291,202.16
  5. Step 5: Solve for x
    x = 3,244,261,291,202.16/2,774,379.60
  6. Step 6: Final answer
    x = 1,169,364.60

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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.