Home / 3,430,195.98-5,145,853.48-1,407,897.12

Finding the Fourth Proportional to 3,430,195.98, 5,145,853.48 and 1,407,897.12

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Solution

The fourth proportional to 3,430,195.98, 5,145,853.48 and 1,407,897.12 is: 2,112,075.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,195.98 : 5,145,853.48 = 1,407,897.12 : x
  2. Step 2: Convert to fraction form
    3,430,195.98/5,145,853.48 = 1,407,897.12/x
  3. Step 3: Cross multiply
    3,430,195.98x = 5,145,853.48 × 1,407,897.12
  4. Step 4: Simplify right side
    3,430,195.98x = 7,244,832,310,211.19
  5. Step 5: Solve for x
    x = 7,244,832,310,211.19/3,430,195.98
  6. Step 6: Final answer
    x = 2,112,075.33

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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.