Home / 2,675,429.60-4,013,630.40-877,812.80

Finding the Fourth Proportional to 2,675,429.60, 4,013,630.40 and 877,812.80

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Solution

The fourth proportional to 2,675,429.60, 4,013,630.40 and 877,812.80 is: 1,316,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675,429.60 : 4,013,630.40 = 877,812.80 : x
  2. Step 2: Convert to fraction form
    2,675,429.60/4,013,630.40 = 877,812.80/x
  3. Step 3: Cross multiply
    2,675,429.60x = 4,013,630.40 × 877,812.80
  4. Step 4: Simplify right side
    2,675,429.60x = 3,523,216,139,589.12
  5. Step 5: Solve for x
    x = 3,523,216,139,589.12/2,675,429.60
  6. Step 6: Final answer
    x = 1,316,878.66

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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.