Home / 1,817,669.09-2,508,235.81-1,053,771.86

Finding the Fourth Proportional to 1,817,669.09, 2,508,235.81 and 1,053,771.86

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Solution

The fourth proportional to 1,817,669.09, 2,508,235.81 and 1,053,771.86 is: 1,454,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,669.09 : 2,508,235.81 = 1,053,771.86 : x
  2. Step 2: Convert to fraction form
    1,817,669.09/2,508,235.81 = 1,053,771.86/x
  3. Step 3: Cross multiply
    1,817,669.09x = 2,508,235.81 × 1,053,771.86
  4. Step 4: Simplify right side
    1,817,669.09x = 2,643,108,318,458.47
  5. Step 5: Solve for x
    x = 2,643,108,318,458.47/1,817,669.09
  6. Step 6: Final answer
    x = 1,454,119.64

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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.