Home / 1,641,576.65-2,266,321.28-1,091,038.86

Finding the Fourth Proportional to 1,641,576.65, 2,266,321.28 and 1,091,038.86

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Solution

The fourth proportional to 1,641,576.65, 2,266,321.28 and 1,091,038.86 is: 1,506,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,576.65 : 2,266,321.28 = 1,091,038.86 : x
  2. Step 2: Convert to fraction form
    1,641,576.65/2,266,321.28 = 1,091,038.86/x
  3. Step 3: Cross multiply
    1,641,576.65x = 2,266,321.28 × 1,091,038.86
  4. Step 4: Simplify right side
    1,641,576.65x = 2,472,644,580,269.75
  5. Step 5: Solve for x
    x = 2,472,644,580,269.75/1,641,576.65
  6. Step 6: Final answer
    x = 1,506,262.04

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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.