Home / 1,888,768.11-2,606,423.94-1,029,309.91

Finding the Fourth Proportional to 1,888,768.11, 2,606,423.94 and 1,029,309.91

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Solution

The fourth proportional to 1,888,768.11, 2,606,423.94 and 1,029,309.91 is: 1,420,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,768.11 : 2,606,423.94 = 1,029,309.91 : x
  2. Step 2: Convert to fraction form
    1,888,768.11/2,606,423.94 = 1,029,309.91/x
  3. Step 3: Cross multiply
    1,888,768.11x = 2,606,423.94 × 1,029,309.91
  4. Step 4: Simplify right side
    1,888,768.11x = 2,682,817,999,248.32
  5. Step 5: Solve for x
    x = 2,682,817,999,248.32/1,888,768.11
  6. Step 6: Final answer
    x = 1,420,406.24

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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.