Home / 2,838,464.78-4,258,349.16-816,725.43

Finding the Fourth Proportional to 2,838,464.78, 4,258,349.16 and 816,725.43

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Solution

The fourth proportional to 2,838,464.78, 4,258,349.16 and 816,725.43 is: 1,225,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,464.78 : 4,258,349.16 = 816,725.43 : x
  2. Step 2: Convert to fraction form
    2,838,464.78/4,258,349.16 = 816,725.43/x
  3. Step 3: Cross multiply
    2,838,464.78x = 4,258,349.16 × 816,725.43
  4. Step 4: Simplify right side
    2,838,464.78x = 3,477,902,050,322.50
  5. Step 5: Solve for x
    x = 3,477,902,050,322.50/2,838,464.78
  6. Step 6: Final answer
    x = 1,225,275.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.