Home / 1,949,241.86-2,689,239.90-1,175,043.86

Finding the Fourth Proportional to 1,949,241.86, 2,689,239.90 and 1,175,043.86

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Solution

The fourth proportional to 1,949,241.86, 2,689,239.90 and 1,175,043.86 is: 1,621,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,241.86 : 2,689,239.90 = 1,175,043.86 : x
  2. Step 2: Convert to fraction form
    1,949,241.86/2,689,239.90 = 1,175,043.86/x
  3. Step 3: Cross multiply
    1,949,241.86x = 2,689,239.90 × 1,175,043.86
  4. Step 4: Simplify right side
    1,949,241.86x = 3,159,974,832,562.01
  5. Step 5: Solve for x
    x = 3,159,974,832,562.01/1,949,241.86
  6. Step 6: Final answer
    x = 1,621,130.19

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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.