Home / 2,153,100.17-2,971,708.53-1,235,949.32

Finding the Fourth Proportional to 2,153,100.17, 2,971,708.53 and 1,235,949.32

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Solution

The fourth proportional to 2,153,100.17, 2,971,708.53 and 1,235,949.32 is: 1,705,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,100.17 : 2,971,708.53 = 1,235,949.32 : x
  2. Step 2: Convert to fraction form
    2,153,100.17/2,971,708.53 = 1,235,949.32/x
  3. Step 3: Cross multiply
    2,153,100.17x = 2,971,708.53 × 1,235,949.32
  4. Step 4: Simplify right side
    2,153,100.17x = 3,672,881,136,891.70
  5. Step 5: Solve for x
    x = 3,672,881,136,891.70/2,153,100.17
  6. Step 6: Final answer
    x = 1,705,857.07

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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.