Home / 2,819,329.56-3,890,677.64-1,530,170.53

Finding the Fourth Proportional to 2,819,329.56, 3,890,677.64 and 1,530,170.53

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Solution

The fourth proportional to 2,819,329.56, 3,890,677.64 and 1,530,170.53 is: 2,111,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,329.56 : 3,890,677.64 = 1,530,170.53 : x
  2. Step 2: Convert to fraction form
    2,819,329.56/3,890,677.64 = 1,530,170.53/x
  3. Step 3: Cross multiply
    2,819,329.56x = 3,890,677.64 × 1,530,170.53
  4. Step 4: Simplify right side
    2,819,329.56x = 5,953,400,249,080.40
  5. Step 5: Solve for x
    x = 5,953,400,249,080.40/2,819,329.56
  6. Step 6: Final answer
    x = 2,111,636.87

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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.