Home / 1,901,749.42-2,624,026.34-1,127,038.78

Finding the Fourth Proportional to 1,901,749.42, 2,624,026.34 and 1,127,038.78

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Solution

The fourth proportional to 1,901,749.42, 2,624,026.34 and 1,127,038.78 is: 1,555,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,749.42 : 2,624,026.34 = 1,127,038.78 : x
  2. Step 2: Convert to fraction form
    1,901,749.42/2,624,026.34 = 1,127,038.78/x
  3. Step 3: Cross multiply
    1,901,749.42x = 2,624,026.34 × 1,127,038.78
  4. Step 4: Simplify right side
    1,901,749.42x = 2,957,379,444,921.47
  5. Step 5: Solve for x
    x = 2,957,379,444,921.47/1,901,749.42
  6. Step 6: Final answer
    x = 1,555,083.66

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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.