Home / 1,994,512.95-2,752,530.93-1,219,900.79

Finding the Fourth Proportional to 1,994,512.95, 2,752,530.93 and 1,219,900.79

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Solution

The fourth proportional to 1,994,512.95, 2,752,530.93 and 1,219,900.79 is: 1,683,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,512.95 : 2,752,530.93 = 1,219,900.79 : x
  2. Step 2: Convert to fraction form
    1,994,512.95/2,752,530.93 = 1,219,900.79/x
  3. Step 3: Cross multiply
    1,994,512.95x = 2,752,530.93 × 1,219,900.79
  4. Step 4: Simplify right side
    1,994,512.95x = 3,357,814,662,887.76
  5. Step 5: Solve for x
    x = 3,357,814,662,887.76/1,994,512.95
  6. Step 6: Final answer
    x = 1,683,526.13

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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.