Home / 3,154,039.72-4,730,991.67-879,503.51

Finding the Fourth Proportional to 3,154,039.72, 4,730,991.67 and 879,503.51

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Solution

The fourth proportional to 3,154,039.72, 4,730,991.67 and 879,503.51 is: 1,319,236.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154,039.72 : 4,730,991.67 = 879,503.51 : x
  2. Step 2: Convert to fraction form
    3,154,039.72/4,730,991.67 = 879,503.51/x
  3. Step 3: Cross multiply
    3,154,039.72x = 4,730,991.67 × 879,503.51
  4. Step 4: Simplify right side
    3,154,039.72x = 4,160,923,779,545.76
  5. Step 5: Solve for x
    x = 4,160,923,779,545.76/3,154,039.72
  6. Step 6: Final answer
    x = 1,319,236.33

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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.