Home / 1,905,091-2,628,930.36-1,130,755.48

Finding the Fourth Proportional to 1,905,091, 2,628,930.36 and 1,130,755.48

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Solution

The fourth proportional to 1,905,091, 2,628,930.36 and 1,130,755.48 is: 1,560,386.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,091 : 2,628,930.36 = 1,130,755.48 : x
  2. Step 2: Convert to fraction form
    1,905,091/2,628,930.36 = 1,130,755.48/x
  3. Step 3: Cross multiply
    1,905,091x = 2,628,930.36 × 1,130,755.48
  4. Step 4: Simplify right side
    1,905,091x = 2,972,677,411,108.37
  5. Step 5: Solve for x
    x = 2,972,677,411,108.37/1,905,091
  6. Step 6: Final answer
    x = 1,560,386.05

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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.