Home / 1,781,914.95-2,456,663.78-1,415,607.50

Finding the Fourth Proportional to 1,781,914.95, 2,456,663.78 and 1,415,607.50

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Solution

The fourth proportional to 1,781,914.95, 2,456,663.78 and 1,415,607.50 is: 1,951,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,914.95 : 2,456,663.78 = 1,415,607.50 : x
  2. Step 2: Convert to fraction form
    1,781,914.95/2,456,663.78 = 1,415,607.50/x
  3. Step 3: Cross multiply
    1,781,914.95x = 2,456,663.78 × 1,415,607.50
  4. Step 4: Simplify right side
    1,781,914.95x = 3,477,671,681,627.03
  5. Step 5: Solve for x
    x = 3,477,671,681,627.03/1,781,914.95
  6. Step 6: Final answer
    x = 1,951,648.52

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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.