Home / 1,909,042.69-2,634,323.08-1,123,984.68

Finding the Fourth Proportional to 1,909,042.69, 2,634,323.08 and 1,123,984.68

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Solution

The fourth proportional to 1,909,042.69, 2,634,323.08 and 1,123,984.68 is: 1,551,007.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,042.69 : 2,634,323.08 = 1,123,984.68 : x
  2. Step 2: Convert to fraction form
    1,909,042.69/2,634,323.08 = 1,123,984.68/x
  3. Step 3: Cross multiply
    1,909,042.69x = 2,634,323.08 × 1,123,984.68
  4. Step 4: Simplify right side
    1,909,042.69x = 2,960,938,784,090.41
  5. Step 5: Solve for x
    x = 2,960,938,784,090.41/1,909,042.69
  6. Step 6: Final answer
    x = 1,551,007.11

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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.