Home / 5,055,987.80-7,583,981.70-1,689,757.40

Finding the Fourth Proportional to 5,055,987.80, 7,583,981.70 and 1,689,757.40

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Solution

The fourth proportional to 5,055,987.80, 7,583,981.70 and 1,689,757.40 is: 2,534,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055,987.80 : 7,583,981.70 = 1,689,757.40 : x
  2. Step 2: Convert to fraction form
    5,055,987.80/7,583,981.70 = 1,689,757.40/x
  3. Step 3: Cross multiply
    5,055,987.80x = 7,583,981.70 × 1,689,757.40
  4. Step 4: Simplify right side
    5,055,987.80x = 12,815,089,199,039.58
  5. Step 5: Solve for x
    x = 12,815,089,199,039.58/5,055,987.80
  6. Step 6: Final answer
    x = 2,534,636.10

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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.