Home / 1,836,572.40-2,534,347.44-1,020,723.12

Finding the Fourth Proportional to 1,836,572.40, 2,534,347.44 and 1,020,723.12

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Solution

The fourth proportional to 1,836,572.40, 2,534,347.44 and 1,020,723.12 is: 1,408,529.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,572.40 : 2,534,347.44 = 1,020,723.12 : x
  2. Step 2: Convert to fraction form
    1,836,572.40/2,534,347.44 = 1,020,723.12/x
  3. Step 3: Cross multiply
    1,836,572.40x = 2,534,347.44 × 1,020,723.12
  4. Step 4: Simplify right side
    1,836,572.40x = 2,586,867,026,120.81
  5. Step 5: Solve for x
    x = 2,586,867,026,120.81/1,836,572.40
  6. Step 6: Final answer
    x = 1,408,529.84

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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.