Home / 1,913,993.76-2,641,298.40-1,054,534.08

Finding the Fourth Proportional to 1,913,993.76, 2,641,298.40 and 1,054,534.08

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Solution

The fourth proportional to 1,913,993.76, 2,641,298.40 and 1,054,534.08 is: 1,455,249.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,993.76 : 2,641,298.40 = 1,054,534.08 : x
  2. Step 2: Convert to fraction form
    1,913,993.76/2,641,298.40 = 1,054,534.08/x
  3. Step 3: Cross multiply
    1,913,993.76x = 2,641,298.40 × 1,054,534.08
  4. Step 4: Simplify right side
    1,913,993.76x = 2,785,339,178,249.47
  5. Step 5: Solve for x
    x = 2,785,339,178,249.47/1,913,993.76
  6. Step 6: Final answer
    x = 1,455,249.87

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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.