Home / 3,188,075.17-4,779,280.68-1,242,353.33

Finding the Fourth Proportional to 3,188,075.17, 4,779,280.68 and 1,242,353.33

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Solution

The fourth proportional to 3,188,075.17, 4,779,280.68 and 1,242,353.33 is: 1,862,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,075.17 : 4,779,280.68 = 1,242,353.33 : x
  2. Step 2: Convert to fraction form
    3,188,075.17/4,779,280.68 = 1,242,353.33/x
  3. Step 3: Cross multiply
    3,188,075.17x = 4,779,280.68 × 1,242,353.33
  4. Step 4: Simplify right side
    3,188,075.17x = 5,937,555,237,694.49
  5. Step 5: Solve for x
    x = 5,937,555,237,694.49/3,188,075.17
  6. Step 6: Final answer
    x = 1,862,426.36

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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.