Home / 2,535,299.76-3,498,741.21-1,389,355.50

Finding the Fourth Proportional to 2,535,299.76, 3,498,741.21 and 1,389,355.50

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Solution

The fourth proportional to 2,535,299.76, 3,498,741.21 and 1,389,355.50 is: 1,917,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,535,299.76 : 3,498,741.21 = 1,389,355.50 : x
  2. Step 2: Convert to fraction form
    2,535,299.76/3,498,741.21 = 1,389,355.50/x
  3. Step 3: Cross multiply
    2,535,299.76x = 3,498,741.21 × 1,389,355.50
  4. Step 4: Simplify right side
    2,535,299.76x = 4,860,995,343,190.16
  5. Step 5: Solve for x
    x = 4,860,995,343,190.16/2,535,299.76
  6. Step 6: Final answer
    x = 1,917,325.68

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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.