Home / 2,075,643.20-3,113,902.20-655,842.80

Finding the Fourth Proportional to 2,075,643.20, 3,113,902.20 and 655,842.80

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Solution

The fourth proportional to 2,075,643.20, 3,113,902.20 and 655,842.80 is: 983,902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,643.20 : 3,113,902.20 = 655,842.80 : x
  2. Step 2: Convert to fraction form
    2,075,643.20/3,113,902.20 = 655,842.80/x
  3. Step 3: Cross multiply
    2,075,643.20x = 3,113,902.20 × 655,842.80
  4. Step 4: Simplify right side
    2,075,643.20x = 2,042,230,337,774.16
  5. Step 5: Solve for x
    x = 2,042,230,337,774.16/2,075,643.20
  6. Step 6: Final answer
    x = 983,902.41

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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.