Home / 1,602,861.72-2,402,199.14-1,222,389.33

Finding the Fourth Proportional to 1,602,861.72, 2,402,199.14 and 1,222,389.33

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Solution

The fourth proportional to 1,602,861.72, 2,402,199.14 and 1,222,389.33 is: 1,831,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,861.72 : 2,402,199.14 = 1,222,389.33 : x
  2. Step 2: Convert to fraction form
    1,602,861.72/2,402,199.14 = 1,222,389.33/x
  3. Step 3: Cross multiply
    1,602,861.72x = 2,402,199.14 × 1,222,389.33
  4. Step 4: Simplify right side
    1,602,861.72x = 2,936,422,591,159.23
  5. Step 5: Solve for x
    x = 2,936,422,591,159.23/1,602,861.72
  6. Step 6: Final answer
    x = 1,831,987.47

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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.