Home / 1,885,711.83-2,602,556.56-1,058,878.20

Finding the Fourth Proportional to 1,885,711.83, 2,602,556.56 and 1,058,878.20

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Solution

The fourth proportional to 1,885,711.83, 2,602,556.56 and 1,058,878.20 is: 1,461,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,711.83 : 2,602,556.56 = 1,058,878.20 : x
  2. Step 2: Convert to fraction form
    1,885,711.83/2,602,556.56 = 1,058,878.20/x
  3. Step 3: Cross multiply
    1,885,711.83x = 2,602,556.56 × 1,058,878.20
  4. Step 4: Simplify right side
    1,885,711.83x = 2,755,790,409,510.19
  5. Step 5: Solve for x
    x = 2,755,790,409,510.19/1,885,711.83
  6. Step 6: Final answer
    x = 1,461,405.91

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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.