Home / 1,905,099.50-2,628,942.08-1,130,763.98

Finding the Fourth Proportional to 1,905,099.50, 2,628,942.08 and 1,130,763.98

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Solution

The fourth proportional to 1,905,099.50, 2,628,942.08 and 1,130,763.98 is: 1,560,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,099.50 : 2,628,942.08 = 1,130,763.98 : x
  2. Step 2: Convert to fraction form
    1,905,099.50/2,628,942.08 = 1,130,763.98/x
  3. Step 3: Cross multiply
    1,905,099.50x = 2,628,942.08 × 1,130,763.98
  4. Step 4: Simplify right side
    1,905,099.50x = 2,972,713,009,570.28
  5. Step 5: Solve for x
    x = 2,972,713,009,570.28/1,905,099.50
  6. Step 6: Final answer
    x = 1,560,397.77

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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.