Home / 3,349,438.74-4,623,427.89-1,991,308.50

Finding the Fourth Proportional to 3,349,438.74, 4,623,427.89 and 1,991,308.50

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Solution

The fourth proportional to 3,349,438.74, 4,623,427.89 and 1,991,308.50 is: 2,748,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349,438.74 : 4,623,427.89 = 1,991,308.50 : x
  2. Step 2: Convert to fraction form
    3,349,438.74/4,623,427.89 = 1,991,308.50/x
  3. Step 3: Cross multiply
    3,349,438.74x = 4,623,427.89 × 1,991,308.50
  4. Step 4: Simplify right side
    3,349,438.74x = 9,206,671,256,494.07
  5. Step 5: Solve for x
    x = 9,206,671,256,494.07/3,349,438.74
  6. Step 6: Final answer
    x = 2,748,720.60

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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.