Home / 1,909,836-2,635,595.52-1,050,410.40

Finding the Fourth Proportional to 1,909,836, 2,635,595.52 and 1,050,410.40

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Solution

The fourth proportional to 1,909,836, 2,635,595.52 and 1,050,410.40 is: 1,449,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,836 : 2,635,595.52 = 1,050,410.40 : x
  2. Step 2: Convert to fraction form
    1,909,836/2,635,595.52 = 1,050,410.40/x
  3. Step 3: Cross multiply
    1,909,836x = 2,635,595.52 × 1,050,410.40
  4. Step 4: Simplify right side
    1,909,836x = 2,768,456,944,401.41
  5. Step 5: Solve for x
    x = 2,768,456,944,401.41/1,909,836
  6. Step 6: Final answer
    x = 1,449,578.36

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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.