Home / 4,138,075.28-6,208,006.28-1,259,667.12

Finding the Fourth Proportional to 4,138,075.28, 6,208,006.28 and 1,259,667.12

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Solution

The fourth proportional to 4,138,075.28, 6,208,006.28 and 1,259,667.12 is: 1,889,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,075.28 : 6,208,006.28 = 1,259,667.12 : x
  2. Step 2: Convert to fraction form
    4,138,075.28/6,208,006.28 = 1,259,667.12/x
  3. Step 3: Cross multiply
    4,138,075.28x = 6,208,006.28 × 1,259,667.12
  4. Step 4: Simplify right side
    4,138,075.28x = 7,820,021,391,669.52
  5. Step 5: Solve for x
    x = 7,820,021,391,669.52/4,138,075.28
  6. Step 6: Final answer
    x = 1,889,772.63

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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.