Home / 1,905,172.84-2,629,042.46-1,130,837.48

Finding the Fourth Proportional to 1,905,172.84, 2,629,042.46 and 1,130,837.48

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Solution

The fourth proportional to 1,905,172.84, 2,629,042.46 and 1,130,837.48 is: 1,560,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,172.84 : 2,629,042.46 = 1,130,837.48 : x
  2. Step 2: Convert to fraction form
    1,905,172.84/2,629,042.46 = 1,130,837.48/x
  3. Step 3: Cross multiply
    1,905,172.84x = 2,629,042.46 × 1,130,837.48
  4. Step 4: Simplify right side
    1,905,172.84x = 2,973,019,737,134.19
  5. Step 5: Solve for x
    x = 2,973,019,737,134.19/1,905,172.84
  6. Step 6: Final answer
    x = 1,560,498.70

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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.