Home / 1,938,884.54-2,909,655.21-676,712.17

Finding the Fourth Proportional to 1,938,884.54, 2,909,655.21 and 676,712.17

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Solution

The fourth proportional to 1,938,884.54, 2,909,655.21 and 676,712.17 is: 1,015,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,884.54 : 2,909,655.21 = 676,712.17 : x
  2. Step 2: Convert to fraction form
    1,938,884.54/2,909,655.21 = 676,712.17/x
  3. Step 3: Cross multiply
    1,938,884.54x = 2,909,655.21 × 676,712.17
  4. Step 4: Simplify right side
    1,938,884.54x = 1,968,999,076,562.63
  5. Step 5: Solve for x
    x = 1,968,999,076,562.63/1,938,884.54
  6. Step 6: Final answer
    x = 1,015,531.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.