Home / 2,109,261.60-3,163,892.40-972,021.60

Finding the Fourth Proportional to 2,109,261.60, 3,163,892.40 and 972,021.60

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Solution

The fourth proportional to 2,109,261.60, 3,163,892.40 and 972,021.60 is: 1,458,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,261.60 : 3,163,892.40 = 972,021.60 : x
  2. Step 2: Convert to fraction form
    2,109,261.60/3,163,892.40 = 972,021.60/x
  3. Step 3: Cross multiply
    2,109,261.60x = 3,163,892.40 × 972,021.60
  4. Step 4: Simplify right side
    2,109,261.60x = 3,075,371,752,875.84
  5. Step 5: Solve for x
    x = 3,075,371,752,875.84/2,109,261.60
  6. Step 6: Final answer
    x = 1,458,032.40

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Similar ratio
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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.