Home / 1,960,467.40-2,940,701.10-778,515.40

Finding the Fourth Proportional to 1,960,467.40, 2,940,701.10 and 778,515.40

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Solution

The fourth proportional to 1,960,467.40, 2,940,701.10 and 778,515.40 is: 1,167,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,467.40 : 2,940,701.10 = 778,515.40 : x
  2. Step 2: Convert to fraction form
    1,960,467.40/2,940,701.10 = 778,515.40/x
  3. Step 3: Cross multiply
    1,960,467.40x = 2,940,701.10 × 778,515.40
  4. Step 4: Simplify right side
    1,960,467.40x = 2,289,381,093,146.94
  5. Step 5: Solve for x
    x = 2,289,381,093,146.94/1,960,467.40
  6. Step 6: Final answer
    x = 1,167,773.10

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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.