Home / 3,115,990.61-4,300,050.71-1,739,254.67

Finding the Fourth Proportional to 3,115,990.61, 4,300,050.71 and 1,739,254.67

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Solution

The fourth proportional to 3,115,990.61, 4,300,050.71 and 1,739,254.67 is: 2,400,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,990.61 : 4,300,050.71 = 1,739,254.67 : x
  2. Step 2: Convert to fraction form
    3,115,990.61/4,300,050.71 = 1,739,254.67/x
  3. Step 3: Cross multiply
    3,115,990.61x = 4,300,050.71 × 1,739,254.67
  4. Step 4: Simplify right side
    3,115,990.61x = 7,478,883,278,604.32
  5. Step 5: Solve for x
    x = 7,478,883,278,604.32/3,115,990.61
  6. Step 6: Final answer
    x = 2,400,162.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.