Home / 1,926,389.25-2,657,409.28-1,191,108.48

Finding the Fourth Proportional to 1,926,389.25, 2,657,409.28 and 1,191,108.48

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Solution

The fourth proportional to 1,926,389.25, 2,657,409.28 and 1,191,108.48 is: 1,643,106.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,389.25 : 2,657,409.28 = 1,191,108.48 : x
  2. Step 2: Convert to fraction form
    1,926,389.25/2,657,409.28 = 1,191,108.48/x
  3. Step 3: Cross multiply
    1,926,389.25x = 2,657,409.28 × 1,191,108.48
  4. Step 4: Simplify right side
    1,926,389.25x = 3,165,262,715,295.64
  5. Step 5: Solve for x
    x = 3,165,262,715,295.64/1,926,389.25
  6. Step 6: Final answer
    x = 1,643,106.51

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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.