Home / 1,556,182.35-2,147,548.05-877,118.85

Finding the Fourth Proportional to 1,556,182.35, 2,147,548.05 and 877,118.85

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Solution

The fourth proportional to 1,556,182.35, 2,147,548.05 and 877,118.85 is: 1,210,433.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,182.35 : 2,147,548.05 = 877,118.85 : x
  2. Step 2: Convert to fraction form
    1,556,182.35/2,147,548.05 = 877,118.85/x
  3. Step 3: Cross multiply
    1,556,182.35x = 2,147,548.05 × 877,118.85
  4. Step 4: Simplify right side
    1,556,182.35x = 1,883,654,860,812.41
  5. Step 5: Solve for x
    x = 1,883,654,860,812.41/1,556,182.35
  6. Step 6: Final answer
    x = 1,210,433.25

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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.