Home / 3,868,653.90-5,338,797.86-2,126,484.60

Finding the Fourth Proportional to 3,868,653.90, 5,338,797.86 and 2,126,484.60

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Solution

The fourth proportional to 3,868,653.90, 5,338,797.86 and 2,126,484.60 is: 2,934,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,653.90 : 5,338,797.86 = 2,126,484.60 : x
  2. Step 2: Convert to fraction form
    3,868,653.90/5,338,797.86 = 2,126,484.60/x
  3. Step 3: Cross multiply
    3,868,653.90x = 5,338,797.86 × 2,126,484.60
  4. Step 4: Simplify right side
    3,868,653.90x = 11,352,871,431,802.96
  5. Step 5: Solve for x
    x = 11,352,871,431,802.96/3,868,653.90
  6. Step 6: Final answer
    x = 2,934,579.24

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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.