Home / 1,905,090-2,628,928.98-1,130,754.48

Finding the Fourth Proportional to 1,905,090, 2,628,928.98 and 1,130,754.48

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Solution

The fourth proportional to 1,905,090, 2,628,928.98 and 1,130,754.48 is: 1,560,384.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,090 : 2,628,928.98 = 1,130,754.48 : x
  2. Step 2: Convert to fraction form
    1,905,090/2,628,928.98 = 1,130,754.48/x
  3. Step 3: Cross multiply
    1,905,090x = 2,628,928.98 × 1,130,754.48
  4. Step 4: Simplify right side
    1,905,090x = 2,972,673,221,736.83
  5. Step 5: Solve for x
    x = 2,972,673,221,736.83/1,905,090
  6. Step 6: Final answer
    x = 1,560,384.67

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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.