Home / 1,904,638.76-2,628,393.72-1,045,213.34

Finding the Fourth Proportional to 1,904,638.76, 2,628,393.72 and 1,045,213.34

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Solution

The fourth proportional to 1,904,638.76, 2,628,393.72 and 1,045,213.34 is: 1,442,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,638.76 : 2,628,393.72 = 1,045,213.34 : x
  2. Step 2: Convert to fraction form
    1,904,638.76/2,628,393.72 = 1,045,213.34/x
  3. Step 3: Cross multiply
    1,904,638.76x = 2,628,393.72 × 1,045,213.34
  4. Step 4: Simplify right side
    1,904,638.76x = 2,747,232,178,916.23
  5. Step 5: Solve for x
    x = 2,747,232,178,916.23/1,904,638.76
  6. Step 6: Final answer
    x = 1,442,390.15

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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.