Home / 5,450,342.16-8,176,779.72-1,856,140.29

Finding the Fourth Proportional to 5,450,342.16, 8,176,779.72 and 1,856,140.29

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Solution

The fourth proportional to 5,450,342.16, 8,176,779.72 and 1,856,140.29 is: 2,784,641.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450,342.16 : 8,176,779.72 = 1,856,140.29 : x
  2. Step 2: Convert to fraction form
    5,450,342.16/8,176,779.72 = 1,856,140.29/x
  3. Step 3: Cross multiply
    5,450,342.16x = 8,176,779.72 × 1,856,140.29
  4. Step 4: Simplify right side
    5,450,342.16x = 15,177,250,280,746.92
  5. Step 5: Solve for x
    x = 15,177,250,280,746.92/5,450,342.16
  6. Step 6: Final answer
    x = 2,784,641.74

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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.