Home / 2,075,620.80-3,113,431.20-579,712.80

Finding the Fourth Proportional to 2,075,620.80, 3,113,431.20 and 579,712.80

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Solution

The fourth proportional to 2,075,620.80, 3,113,431.20 and 579,712.80 is: 869,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,620.80 : 3,113,431.20 = 579,712.80 : x
  2. Step 2: Convert to fraction form
    2,075,620.80/3,113,431.20 = 579,712.80/x
  3. Step 3: Cross multiply
    2,075,620.80x = 3,113,431.20 × 579,712.80
  4. Step 4: Simplify right side
    2,075,620.80x = 1,804,895,918,559.36
  5. Step 5: Solve for x
    x = 1,804,895,918,559.36/2,075,620.80
  6. Step 6: Final answer
    x = 869,569.20

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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.