Home / 3,915,105.36-5,871,686.04-1,075,076.88

Finding the Fourth Proportional to 3,915,105.36, 5,871,686.04 and 1,075,076.88

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Solution

The fourth proportional to 3,915,105.36, 5,871,686.04 and 1,075,076.88 is: 1,612,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,105.36 : 5,871,686.04 = 1,075,076.88 : x
  2. Step 2: Convert to fraction form
    3,915,105.36/5,871,686.04 = 1,075,076.88/x
  3. Step 3: Cross multiply
    3,915,105.36x = 5,871,686.04 × 1,075,076.88
  4. Step 4: Simplify right side
    3,915,105.36x = 6,312,513,908,222.76
  5. Step 5: Solve for x
    x = 6,312,513,908,222.76/3,915,105.36
  6. Step 6: Final answer
    x = 1,612,348.41

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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.