Home / 5,191,453.04-7,164,349.65-2,868,495.21

Finding the Fourth Proportional to 5,191,453.04, 7,164,349.65 and 2,868,495.21

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Solution

The fourth proportional to 5,191,453.04, 7,164,349.65 and 2,868,495.21 is: 3,958,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,453.04 : 7,164,349.65 = 2,868,495.21 : x
  2. Step 2: Convert to fraction form
    5,191,453.04/7,164,349.65 = 2,868,495.21/x
  3. Step 3: Cross multiply
    5,191,453.04x = 7,164,349.65 × 2,868,495.21
  4. Step 4: Simplify right side
    5,191,453.04x = 20,550,902,653,790.18
  5. Step 5: Solve for x
    x = 20,550,902,653,790.18/5,191,453.04
  6. Step 6: Final answer
    x = 3,958,603.21

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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.