Home / 3,105,109.65-4,656,386.84-1,186,729.41

Finding the Fourth Proportional to 3,105,109.65, 4,656,386.84 and 1,186,729.41

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Solution

The fourth proportional to 3,105,109.65, 4,656,386.84 and 1,186,729.41 is: 1,779,605.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,109.65 : 4,656,386.84 = 1,186,729.41 : x
  2. Step 2: Convert to fraction form
    3,105,109.65/4,656,386.84 = 1,186,729.41/x
  3. Step 3: Cross multiply
    3,105,109.65x = 4,656,386.84 × 1,186,729.41
  4. Step 4: Simplify right side
    3,105,109.65x = 5,525,871,201,431.32
  5. Step 5: Solve for x
    x = 5,525,871,201,431.32/3,105,109.65
  6. Step 6: Final answer
    x = 1,779,605.82

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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.