Home / 2,657,316.37-3,979,981.77-1,234,378.03

Finding the Fourth Proportional to 2,657,316.37, 3,979,981.77 and 1,234,378.03

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Solution

The fourth proportional to 2,657,316.37, 3,979,981.77 and 1,234,378.03 is: 1,848,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,316.37 : 3,979,981.77 = 1,234,378.03 : x
  2. Step 2: Convert to fraction form
    2,657,316.37/3,979,981.77 = 1,234,378.03/x
  3. Step 3: Cross multiply
    2,657,316.37x = 3,979,981.77 × 1,234,378.03
  4. Step 4: Simplify right side
    2,657,316.37x = 4,912,802,056,688.51
  5. Step 5: Solve for x
    x = 4,912,802,056,688.51/2,657,316.37
  6. Step 6: Final answer
    x = 1,848,783.27

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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.