Home / 2,877,815.49-4,315,709.89-958,205.40

Finding the Fourth Proportional to 2,877,815.49, 4,315,709.89 and 958,205.40

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Solution

The fourth proportional to 2,877,815.49, 4,315,709.89 and 958,205.40 is: 1,436,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,815.49 : 4,315,709.89 = 958,205.40 : x
  2. Step 2: Convert to fraction form
    2,877,815.49/4,315,709.89 = 958,205.40/x
  3. Step 3: Cross multiply
    2,877,815.49x = 4,315,709.89 × 958,205.40
  4. Step 4: Simplify right side
    2,877,815.49x = 4,135,336,521,431.41
  5. Step 5: Solve for x
    x = 4,135,336,521,431.41/2,877,815.49
  6. Step 6: Final answer
    x = 1,436,970.69

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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.