Home / 4,270,010.40-6,405,015.60-4,085,719.20

Finding the Fourth Proportional to 4,270,010.40, 6,405,015.60 and 4,085,719.20

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Solution

The fourth proportional to 4,270,010.40, 6,405,015.60 and 4,085,719.20 is: 6,128,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270,010.40 : 6,405,015.60 = 4,085,719.20 : x
  2. Step 2: Convert to fraction form
    4,270,010.40/6,405,015.60 = 4,085,719.20/x
  3. Step 3: Cross multiply
    4,270,010.40x = 6,405,015.60 × 4,085,719.20
  4. Step 4: Simplify right side
    4,270,010.40x = 26,169,095,213,219.52
  5. Step 5: Solve for x
    x = 26,169,095,213,219.52/4,270,010.40
  6. Step 6: Final answer
    x = 6,128,578.80

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1.5x scale

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.