Home / 1,990,134.77-2,746,355.54-1,118,970.23

Finding the Fourth Proportional to 1,990,134.77, 2,746,355.54 and 1,118,970.23

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Solution

The fourth proportional to 1,990,134.77, 2,746,355.54 and 1,118,970.23 is: 1,544,161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,134.77 : 2,746,355.54 = 1,118,970.23 : x
  2. Step 2: Convert to fraction form
    1,990,134.77/2,746,355.54 = 1,118,970.23/x
  3. Step 3: Cross multiply
    1,990,134.77x = 2,746,355.54 × 1,118,970.23
  4. Step 4: Simplify right side
    1,990,134.77x = 3,073,090,070,928.95
  5. Step 5: Solve for x
    x = 3,073,090,070,928.95/1,990,134.77
  6. Step 6: Final answer
    x = 1,544,161.79

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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.