Home / 1,911,932.15-2,867,885.47-774,677.57

Finding the Fourth Proportional to 1,911,932.15, 2,867,885.47 and 774,677.57

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Solution

The fourth proportional to 1,911,932.15, 2,867,885.47 and 774,677.57 is: 1,162,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,932.15 : 2,867,885.47 = 774,677.57 : x
  2. Step 2: Convert to fraction form
    1,911,932.15/2,867,885.47 = 774,677.57/x
  3. Step 3: Cross multiply
    1,911,932.15x = 2,867,885.47 × 774,677.57
  4. Step 4: Simplify right side
    1,911,932.15x = 2,221,686,547,519.90
  5. Step 5: Solve for x
    x = 2,221,686,547,519.90/1,911,932.15
  6. Step 6: Final answer
    x = 1,162,011.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.