Home / 1,671,837.66-2,307,842.19-1,128,709.11

Finding the Fourth Proportional to 1,671,837.66, 2,307,842.19 and 1,128,709.11

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Solution

The fourth proportional to 1,671,837.66, 2,307,842.19 and 1,128,709.11 is: 1,558,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,837.66 : 2,307,842.19 = 1,128,709.11 : x
  2. Step 2: Convert to fraction form
    1,671,837.66/2,307,842.19 = 1,128,709.11/x
  3. Step 3: Cross multiply
    1,671,837.66x = 2,307,842.19 × 1,128,709.11
  4. Step 4: Simplify right side
    1,671,837.66x = 2,604,882,504,295.35
  5. Step 5: Solve for x
    x = 2,604,882,504,295.35/1,671,837.66
  6. Step 6: Final answer
    x = 1,558,095.36

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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.