Home / 1,899,281.58-2,621,008.68-1,039,841.91

Finding the Fourth Proportional to 1,899,281.58, 2,621,008.68 and 1,039,841.91

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Solution

The fourth proportional to 1,899,281.58, 2,621,008.68 and 1,039,841.91 is: 1,434,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,281.58 : 2,621,008.68 = 1,039,841.91 : x
  2. Step 2: Convert to fraction form
    1,899,281.58/2,621,008.68 = 1,039,841.91/x
  3. Step 3: Cross multiply
    1,899,281.58x = 2,621,008.68 × 1,039,841.91
  4. Step 4: Simplify right side
    1,899,281.58x = 2,725,434,671,937.78
  5. Step 5: Solve for x
    x = 2,725,434,671,937.78/1,899,281.58
  6. Step 6: Final answer
    x = 1,434,981.89

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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.