Home / 1,909,603.76-2,635,192.86-1,050,161.36

Finding the Fourth Proportional to 1,909,603.76, 2,635,192.86 and 1,050,161.36

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Solution

The fourth proportional to 1,909,603.76, 2,635,192.86 and 1,050,161.36 is: 1,449,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,603.76 : 2,635,192.86 = 1,050,161.36 : x
  2. Step 2: Convert to fraction form
    1,909,603.76/2,635,192.86 = 1,050,161.36/x
  3. Step 3: Cross multiply
    1,909,603.76x = 2,635,192.86 × 1,050,161.36
  4. Step 4: Simplify right side
    1,909,603.76x = 2,767,377,717,719.89
  5. Step 5: Solve for x
    x = 2,767,377,717,719.89/1,909,603.76
  6. Step 6: Final answer
    x = 1,449,189.50

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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.