Home / 3,559,978.36-4,912,525.29-1,990,008.82

Finding the Fourth Proportional to 3,559,978.36, 4,912,525.29 and 1,990,008.82

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Solution

The fourth proportional to 3,559,978.36, 4,912,525.29 and 1,990,008.82 is: 2,746,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559,978.36 : 4,912,525.29 = 1,990,008.82 : x
  2. Step 2: Convert to fraction form
    3,559,978.36/4,912,525.29 = 1,990,008.82/x
  3. Step 3: Cross multiply
    3,559,978.36x = 4,912,525.29 × 1,990,008.82
  4. Step 4: Simplify right side
    3,559,978.36x = 9,775,968,655,573.06
  5. Step 5: Solve for x
    x = 9,775,968,655,573.06/3,559,978.36
  6. Step 6: Final answer
    x = 2,746,075.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.