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Finding the Fourth Proportional to 4,888,688.10, 6,858,335.10 and 4,888,688.10

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Solution

The fourth proportional to 4,888,688.10, 6,858,335.10 and 4,888,688.10 is: 6,858,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888,688.10 : 6,858,335.10 = 4,888,688.10 : x
  2. Step 2: Convert to fraction form
    4,888,688.10/6,858,335.10 = 4,888,688.10/x
  3. Step 3: Cross multiply
    4,888,688.10x = 6,858,335.10 × 4,888,688.10
  4. Step 4: Simplify right side
    4,888,688.10x = 33,528,261,189,182.30
  5. Step 5: Solve for x
    x = 33,528,261,189,182.30/4,888,688.10
  6. Step 6: Final answer
    x = 6,858,335.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.