Home / 1,910,994.10-2,638,259.58-1,267,283.32

Finding the Fourth Proportional to 1,910,994.10, 2,638,259.58 and 1,267,283.32

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Solution

The fourth proportional to 1,910,994.10, 2,638,259.58 and 1,267,283.32 is: 1,749,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,994.10 : 2,638,259.58 = 1,267,283.32 : x
  2. Step 2: Convert to fraction form
    1,910,994.10/2,638,259.58 = 1,267,283.32/x
  3. Step 3: Cross multiply
    1,910,994.10x = 2,638,259.58 × 1,267,283.32
  4. Step 4: Simplify right side
    1,910,994.10x = 3,343,422,359,564.21
  5. Step 5: Solve for x
    x = 3,343,422,359,564.21/1,910,994.10
  6. Step 6: Final answer
    x = 1,749,572.31

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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.