Home / 3,557,878.57-4,909,812.89-1,926,272.69

Finding the Fourth Proportional to 3,557,878.57, 4,909,812.89 and 1,926,272.69

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Solution

The fourth proportional to 3,557,878.57, 4,909,812.89 and 1,926,272.69 is: 2,658,224.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,878.57 : 4,909,812.89 = 1,926,272.69 : x
  2. Step 2: Convert to fraction form
    3,557,878.57/4,909,812.89 = 1,926,272.69/x
  3. Step 3: Cross multiply
    3,557,878.57x = 4,909,812.89 × 1,926,272.69
  4. Step 4: Simplify right side
    3,557,878.57x = 9,457,638,467,248.34
  5. Step 5: Solve for x
    x = 9,457,638,467,248.34/3,557,878.57
  6. Step 6: Final answer
    x = 2,658,224.07

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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.