Home / 1,909,029.95-2,634,304.53-1,123,971.06

Finding the Fourth Proportional to 1,909,029.95, 2,634,304.53 and 1,123,971.06

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Solution

The fourth proportional to 1,909,029.95, 2,634,304.53 and 1,123,971.06 is: 1,550,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,029.95 : 2,634,304.53 = 1,123,971.06 : x
  2. Step 2: Convert to fraction form
    1,909,029.95/2,634,304.53 = 1,123,971.06/x
  3. Step 3: Cross multiply
    1,909,029.95x = 2,634,304.53 × 1,123,971.06
  4. Step 4: Simplify right side
    1,909,029.95x = 2,960,882,054,946.90
  5. Step 5: Solve for x
    x = 2,960,882,054,946.90/1,909,029.95
  6. Step 6: Final answer
    x = 1,550,987.75

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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.