Home / 2,075,904.30-3,113,856.45-579,993.90

Finding the Fourth Proportional to 2,075,904.30, 3,113,856.45 and 579,993.90

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Solution

The fourth proportional to 2,075,904.30, 3,113,856.45 and 579,993.90 is: 869,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,904.30 : 3,113,856.45 = 579,993.90 : x
  2. Step 2: Convert to fraction form
    2,075,904.30/3,113,856.45 = 579,993.90/x
  3. Step 3: Cross multiply
    2,075,904.30x = 3,113,856.45 × 579,993.90
  4. Step 4: Simplify right side
    2,075,904.30x = 1,806,017,746,475.66
  5. Step 5: Solve for x
    x = 1,806,017,746,475.66/2,075,904.30
  6. Step 6: Final answer
    x = 869,990.85

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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.