Home / 3,416,290.70-4,714,278.51-1,888,306.70

Finding the Fourth Proportional to 3,416,290.70, 4,714,278.51 and 1,888,306.70

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Solution

The fourth proportional to 3,416,290.70, 4,714,278.51 and 1,888,306.70 is: 2,605,751.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416,290.70 : 4,714,278.51 = 1,888,306.70 : x
  2. Step 2: Convert to fraction form
    3,416,290.70/4,714,278.51 = 1,888,306.70/x
  3. Step 3: Cross multiply
    3,416,290.70x = 4,714,278.51 × 1,888,306.70
  4. Step 4: Simplify right side
    3,416,290.70x = 8,902,003,696,099.02
  5. Step 5: Solve for x
    x = 8,902,003,696,099.02/3,416,290.70
  6. Step 6: Final answer
    x = 2,605,751.23

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1.5x scale

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.