Home / 1,602,021.79-2,210,784.33-866,974.60

Finding the Fourth Proportional to 1,602,021.79, 2,210,784.33 and 866,974.60

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Solution

The fourth proportional to 1,602,021.79, 2,210,784.33 and 866,974.60 is: 1,196,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,021.79 : 2,210,784.33 = 866,974.60 : x
  2. Step 2: Convert to fraction form
    1,602,021.79/2,210,784.33 = 866,974.60/x
  3. Step 3: Cross multiply
    1,602,021.79x = 2,210,784.33 × 866,974.60
  4. Step 4: Simplify right side
    1,602,021.79x = 1,916,693,860,188.02
  5. Step 5: Solve for x
    x = 1,916,693,860,188.02/1,602,021.79
  6. Step 6: Final answer
    x = 1,196,421.84

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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.