Home / 1,909,119.90-2,634,640.25-1,164,089.42

Finding the Fourth Proportional to 1,909,119.90, 2,634,640.25 and 1,164,089.42

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Solution

The fourth proportional to 1,909,119.90, 2,634,640.25 and 1,164,089.42 is: 1,606,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,119.90 : 2,634,640.25 = 1,164,089.42 : x
  2. Step 2: Convert to fraction form
    1,909,119.90/2,634,640.25 = 1,164,089.42/x
  3. Step 3: Cross multiply
    1,909,119.90x = 2,634,640.25 × 1,164,089.42
  4. Step 4: Simplify right side
    1,909,119.90x = 3,066,956,821,537.51
  5. Step 5: Solve for x
    x = 3,066,956,821,537.51/1,909,119.90
  6. Step 6: Final answer
    x = 1,606,476.80

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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.