Home / 1,636,851.83-2,258,969.10-992,299.19

Finding the Fourth Proportional to 1,636,851.83, 2,258,969.10 and 992,299.19

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Solution

The fourth proportional to 1,636,851.83, 2,258,969.10 and 992,299.19 is: 1,369,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,851.83 : 2,258,969.10 = 992,299.19 : x
  2. Step 2: Convert to fraction form
    1,636,851.83/2,258,969.10 = 992,299.19/x
  3. Step 3: Cross multiply
    1,636,851.83x = 2,258,969.10 × 992,299.19
  4. Step 4: Simplify right side
    1,636,851.83x = 2,241,573,208,165.03
  5. Step 5: Solve for x
    x = 2,241,573,208,165.03/1,636,851.83
  6. Step 6: Final answer
    x = 1,369,441.73

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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.