Home / 2,278,701.48-3,144,994.70-1,312,391.22

Finding the Fourth Proportional to 2,278,701.48, 3,144,994.70 and 1,312,391.22

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Solution

The fourth proportional to 2,278,701.48, 3,144,994.70 and 1,312,391.22 is: 1,811,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,701.48 : 3,144,994.70 = 1,312,391.22 : x
  2. Step 2: Convert to fraction form
    2,278,701.48/3,144,994.70 = 1,312,391.22/x
  3. Step 3: Cross multiply
    2,278,701.48x = 3,144,994.70 × 1,312,391.22
  4. Step 4: Simplify right side
    2,278,701.48x = 4,127,463,431,226.53
  5. Step 5: Solve for x
    x = 4,127,463,431,226.53/2,278,701.48
  6. Step 6: Final answer
    x = 1,811,322.57

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Double scale
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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.