Home / 1,618,712.66-2,233,476.93-939,284.66

Finding the Fourth Proportional to 1,618,712.66, 2,233,476.93 and 939,284.66

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Solution

The fourth proportional to 1,618,712.66, 2,233,476.93 and 939,284.66 is: 1,296,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,712.66 : 2,233,476.93 = 939,284.66 : x
  2. Step 2: Convert to fraction form
    1,618,712.66/2,233,476.93 = 939,284.66/x
  3. Step 3: Cross multiply
    1,618,712.66x = 2,233,476.93 × 939,284.66
  4. Step 4: Simplify right side
    1,618,712.66x = 2,097,870,618,812.89
  5. Step 5: Solve for x
    x = 2,097,870,618,812.89/1,618,712.66
  6. Step 6: Final answer
    x = 1,296,011.74

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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.