Home / 1,901,053.74-2,841,143.55-1,389,795.17

Finding the Fourth Proportional to 1,901,053.74, 2,841,143.55 and 1,389,795.17

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Solution

The fourth proportional to 1,901,053.74, 2,841,143.55 and 1,389,795.17 is: 2,077,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,053.74 : 2,841,143.55 = 1,389,795.17 : x
  2. Step 2: Convert to fraction form
    1,901,053.74/2,841,143.55 = 1,389,795.17/x
  3. Step 3: Cross multiply
    1,901,053.74x = 2,841,143.55 × 1,389,795.17
  4. Step 4: Simplify right side
    1,901,053.74x = 3,948,607,583,066.65
  5. Step 5: Solve for x
    x = 3,948,607,583,066.65/1,901,053.74
  6. Step 6: Final answer
    x = 2,077,062.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.