Home / 1,899,259.84-2,620,981.20-1,039,826.08

Finding the Fourth Proportional to 1,899,259.84, 2,620,981.20 and 1,039,826.08

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Solution

The fourth proportional to 1,899,259.84, 2,620,981.20 and 1,039,826.08 is: 1,434,961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,259.84 : 2,620,981.20 = 1,039,826.08 : x
  2. Step 2: Convert to fraction form
    1,899,259.84/2,620,981.20 = 1,039,826.08/x
  3. Step 3: Cross multiply
    1,899,259.84x = 2,620,981.20 × 1,039,826.08
  4. Step 4: Simplify right side
    1,899,259.84x = 2,725,364,606,949.70
  5. Step 5: Solve for x
    x = 2,725,364,606,949.70/1,899,259.84
  6. Step 6: Final answer
    x = 1,434,961.43

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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.