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Finding the Fourth Proportional to 5,881,878.40, 8,823,854.40 and 2,097,558.40

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Solution

The fourth proportional to 5,881,878.40, 8,823,854.40 and 2,097,558.40 is: 3,146,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881,878.40 : 8,823,854.40 = 2,097,558.40 : x
  2. Step 2: Convert to fraction form
    5,881,878.40/8,823,854.40 = 2,097,558.40/x
  3. Step 3: Cross multiply
    5,881,878.40x = 8,823,854.40 × 2,097,558.40
  4. Step 4: Simplify right side
    5,881,878.40x = 18,508,549,917,096.96
  5. Step 5: Solve for x
    x = 18,508,549,917,096.96/5,881,878.40
  6. Step 6: Final answer
    x = 3,146,707.34

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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.