Home / 1,889,731.88-2,607,828.14-1,030,291.91

Finding the Fourth Proportional to 1,889,731.88, 2,607,828.14 and 1,030,291.91

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Solution

The fourth proportional to 1,889,731.88, 2,607,828.14 and 1,030,291.91 is: 1,421,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,731.88 : 2,607,828.14 = 1,030,291.91 : x
  2. Step 2: Convert to fraction form
    1,889,731.88/2,607,828.14 = 1,030,291.91/x
  3. Step 3: Cross multiply
    1,889,731.88x = 2,607,828.14 × 1,030,291.91
  4. Step 4: Simplify right side
    1,889,731.88x = 2,686,824,217,121.75
  5. Step 5: Solve for x
    x = 2,686,824,217,121.75/1,889,731.88
  6. Step 6: Final answer
    x = 1,421,801.82

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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.