Home / 2,075,409.75-3,113,716.95-860,763.61

Finding the Fourth Proportional to 2,075,409.75, 3,113,716.95 and 860,763.61

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Solution

The fourth proportional to 2,075,409.75, 3,113,716.95 and 860,763.61 is: 1,291,395.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,409.75 : 3,113,716.95 = 860,763.61 : x
  2. Step 2: Convert to fraction form
    2,075,409.75/3,113,716.95 = 860,763.61/x
  3. Step 3: Cross multiply
    2,075,409.75x = 3,113,716.95 × 860,763.61
  4. Step 4: Simplify right side
    2,075,409.75x = 2,680,174,242,400.19
  5. Step 5: Solve for x
    x = 2,680,174,242,400.19/2,075,409.75
  6. Step 6: Final answer
    x = 1,291,395.23

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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.