Home / 1,586,316.72-2,188,886.10-907,122

Finding the Fourth Proportional to 1,586,316.72, 2,188,886.10 and 907,122

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Solution

The fourth proportional to 1,586,316.72, 2,188,886.10 and 907,122 is: 1,251,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,316.72 : 2,188,886.10 = 907,122 : x
  2. Step 2: Convert to fraction form
    1,586,316.72/2,188,886.10 = 907,122/x
  3. Step 3: Cross multiply
    1,586,316.72x = 2,188,886.10 × 907,122
  4. Step 4: Simplify right side
    1,586,316.72x = 1,985,586,736,804.20
  5. Step 5: Solve for x
    x = 1,985,586,736,804.20/1,586,316.72
  6. Step 6: Final answer
    x = 1,251,696.28

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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.