Home / 3,888,804.47-5,369,078.03-3,480,203.85

Finding the Fourth Proportional to 3,888,804.47, 5,369,078.03 and 3,480,203.85

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Solution

The fourth proportional to 3,888,804.47, 5,369,078.03 and 3,480,203.85 is: 4,804,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,804.47 : 5,369,078.03 = 3,480,203.85 : x
  2. Step 2: Convert to fraction form
    3,888,804.47/5,369,078.03 = 3,480,203.85/x
  3. Step 3: Cross multiply
    3,888,804.47x = 5,369,078.03 × 3,480,203.85
  4. Step 4: Simplify right side
    3,888,804.47x = 18,685,486,013,555.40
  5. Step 5: Solve for x
    x = 18,685,486,013,555.40/3,888,804.47
  6. Step 6: Final answer
    x = 4,804,943.57

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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.