Home / 4,382,085.60-6,573,128.40-1,390,269.60

Finding the Fourth Proportional to 4,382,085.60, 6,573,128.40 and 1,390,269.60

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Solution

The fourth proportional to 4,382,085.60, 6,573,128.40 and 1,390,269.60 is: 2,085,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382,085.60 : 6,573,128.40 = 1,390,269.60 : x
  2. Step 2: Convert to fraction form
    4,382,085.60/6,573,128.40 = 1,390,269.60/x
  3. Step 3: Cross multiply
    4,382,085.60x = 6,573,128.40 × 1,390,269.60
  4. Step 4: Simplify right side
    4,382,085.60x = 9,138,420,591,416.64
  5. Step 5: Solve for x
    x = 9,138,420,591,416.64/4,382,085.60
  6. Step 6: Final answer
    x = 2,085,404.40

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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.