Home / 4,777,864.56-7,169,742-1,938,001.32

Finding the Fourth Proportional to 4,777,864.56, 7,169,742 and 1,938,001.32

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Solution

The fourth proportional to 4,777,864.56, 7,169,742 and 1,938,001.32 is: 2,908,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777,864.56 : 7,169,742 = 1,938,001.32 : x
  2. Step 2: Convert to fraction form
    4,777,864.56/7,169,742 = 1,938,001.32/x
  3. Step 3: Cross multiply
    4,777,864.56x = 7,169,742 × 1,938,001.32
  4. Step 4: Simplify right side
    4,777,864.56x = 13,894,969,460,059.44
  5. Step 5: Solve for x
    x = 13,894,969,460,059.44/4,777,864.56
  6. Step 6: Final answer
    x = 2,908,196.60

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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.