Home / 6,340,039.09-8,749,249.49-3,439,430.51

Finding the Fourth Proportional to 6,340,039.09, 8,749,249.49 and 3,439,430.51

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Solution

The fourth proportional to 6,340,039.09, 8,749,249.49 and 3,439,430.51 is: 4,746,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340,039.09 : 8,749,249.49 = 3,439,430.51 : x
  2. Step 2: Convert to fraction form
    6,340,039.09/8,749,249.49 = 3,439,430.51/x
  3. Step 3: Cross multiply
    6,340,039.09x = 8,749,249.49 × 3,439,430.51
  4. Step 4: Simplify right side
    6,340,039.09x = 30,092,435,600,360.27
  5. Step 5: Solve for x
    x = 30,092,435,600,360.27/6,340,039.09
  6. Step 6: Final answer
    x = 4,746,411.68

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1.5x scale

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.