Home / 1,556,187.22-2,147,554.77-877,123.72

Finding the Fourth Proportional to 1,556,187.22, 2,147,554.77 and 877,123.72

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Solution

The fourth proportional to 1,556,187.22, 2,147,554.77 and 877,123.72 is: 1,210,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,187.22 : 2,147,554.77 = 877,123.72 : x
  2. Step 2: Convert to fraction form
    1,556,187.22/2,147,554.77 = 877,123.72/x
  3. Step 3: Cross multiply
    1,556,187.22x = 2,147,554.77 × 877,123.72
  4. Step 4: Simplify right side
    1,556,187.22x = 1,883,671,228,766.14
  5. Step 5: Solve for x
    x = 1,883,671,228,766.14/1,556,187.22
  6. Step 6: Final answer
    x = 1,210,439.98

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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.