Home / 1,901,008.71-2,851,214.99-621,607.23

Finding the Fourth Proportional to 1,901,008.71, 2,851,214.99 and 621,607.23

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Solution

The fourth proportional to 1,901,008.71, 2,851,214.99 and 621,607.23 is: 932,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,008.71 : 2,851,214.99 = 621,607.23 : x
  2. Step 2: Convert to fraction form
    1,901,008.71/2,851,214.99 = 621,607.23/x
  3. Step 3: Cross multiply
    1,901,008.71x = 2,851,214.99 × 621,607.23
  4. Step 4: Simplify right side
    1,901,008.71x = 1,772,335,848,960.34
  5. Step 5: Solve for x
    x = 1,772,335,848,960.34/1,901,008.71
  6. Step 6: Final answer
    x = 932,313.38

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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.