Home / 1,980,873.50-2,972,323.63-943,398.50

Finding the Fourth Proportional to 1,980,873.50, 2,972,323.63 and 943,398.50

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Solution

The fourth proportional to 1,980,873.50, 2,972,323.63 and 943,398.50 is: 1,415,580.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,873.50 : 2,972,323.63 = 943,398.50 : x
  2. Step 2: Convert to fraction form
    1,980,873.50/2,972,323.63 = 943,398.50/x
  3. Step 3: Cross multiply
    1,980,873.50x = 2,972,323.63 × 943,398.50
  4. Step 4: Simplify right side
    1,980,873.50x = 2,804,085,654,056.55
  5. Step 5: Solve for x
    x = 2,804,085,654,056.55/1,980,873.50
  6. Step 6: Final answer
    x = 1,415,580.38

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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.