Home / 3,988,357.36-5,502,359.64-2,457,798.64

Finding the Fourth Proportional to 3,988,357.36, 5,502,359.64 and 2,457,798.64

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Solution

The fourth proportional to 3,988,357.36, 5,502,359.64 and 2,457,798.64 is: 3,390,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,357.36 : 5,502,359.64 = 2,457,798.64 : x
  2. Step 2: Convert to fraction form
    3,988,357.36/5,502,359.64 = 2,457,798.64/x
  3. Step 3: Cross multiply
    3,988,357.36x = 5,502,359.64 × 2,457,798.64
  4. Step 4: Simplify right side
    3,988,357.36x = 13,523,692,039,982.89
  5. Step 5: Solve for x
    x = 13,523,692,039,982.89/3,988,357.36
  6. Step 6: Final answer
    x = 3,390,792.45

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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.