Home / 2,938,999.72-4,401,787.70-1,403,075.54

Finding the Fourth Proportional to 2,938,999.72, 4,401,787.70 and 1,403,075.54

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Solution

The fourth proportional to 2,938,999.72, 4,401,787.70 and 1,403,075.54 is: 2,101,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,999.72 : 4,401,787.70 = 1,403,075.54 : x
  2. Step 2: Convert to fraction form
    2,938,999.72/4,401,787.70 = 1,403,075.54/x
  3. Step 3: Cross multiply
    2,938,999.72x = 4,401,787.70 × 1,403,075.54
  4. Step 4: Simplify right side
    2,938,999.72x = 6,176,040,654,142.86
  5. Step 5: Solve for x
    x = 6,176,040,654,142.86/2,938,999.72
  6. Step 6: Final answer
    x = 2,101,409.07

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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.