Home / 2,688,231.60-4,033,513.80-1,358,535.60

Finding the Fourth Proportional to 2,688,231.60, 4,033,513.80 and 1,358,535.60

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Solution

The fourth proportional to 2,688,231.60, 4,033,513.80 and 1,358,535.60 is: 2,038,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,231.60 : 4,033,513.80 = 1,358,535.60 : x
  2. Step 2: Convert to fraction form
    2,688,231.60/4,033,513.80 = 1,358,535.60/x
  3. Step 3: Cross multiply
    2,688,231.60x = 4,033,513.80 × 1,358,535.60
  4. Step 4: Simplify right side
    2,688,231.60x = 5,479,672,090,391.28
  5. Step 5: Solve for x
    x = 5,479,672,090,391.28/2,688,231.60
  6. Step 6: Final answer
    x = 2,038,392.86

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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.