Home / 1,890,172.34-2,608,935.09-1,074,853.94

Finding the Fourth Proportional to 1,890,172.34, 2,608,935.09 and 1,074,853.94

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Solution

The fourth proportional to 1,890,172.34, 2,608,935.09 and 1,074,853.94 is: 1,483,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,172.34 : 2,608,935.09 = 1,074,853.94 : x
  2. Step 2: Convert to fraction form
    1,890,172.34/2,608,935.09 = 1,074,853.94/x
  3. Step 3: Cross multiply
    1,890,172.34x = 2,608,935.09 × 1,074,853.94
  4. Step 4: Simplify right side
    1,890,172.34x = 2,804,224,160,690.75
  5. Step 5: Solve for x
    x = 2,804,224,160,690.75/1,890,172.34
  6. Step 6: Final answer
    x = 1,483,581.21

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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.