Home / 1,913,237.16-2,640,167.42-1,188,069.26

Finding the Fourth Proportional to 1,913,237.16, 2,640,167.42 and 1,188,069.26

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Solution

The fourth proportional to 1,913,237.16, 2,640,167.42 and 1,188,069.26 is: 1,639,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,237.16 : 2,640,167.42 = 1,188,069.26 : x
  2. Step 2: Convert to fraction form
    1,913,237.16/2,640,167.42 = 1,188,069.26/x
  3. Step 3: Cross multiply
    1,913,237.16x = 2,640,167.42 × 1,188,069.26
  4. Step 4: Simplify right side
    1,913,237.16x = 3,136,701,752,955.51
  5. Step 5: Solve for x
    x = 3,136,701,752,955.51/1,913,237.16
  6. Step 6: Final answer
    x = 1,639,473.57

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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.