Home / 2,180,852.28-3,009,535.02-1,213,975.80

Finding the Fourth Proportional to 2,180,852.28, 3,009,535.02 and 1,213,975.80

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Solution

The fourth proportional to 2,180,852.28, 3,009,535.02 and 1,213,975.80 is: 1,675,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,852.28 : 3,009,535.02 = 1,213,975.80 : x
  2. Step 2: Convert to fraction form
    2,180,852.28/3,009,535.02 = 1,213,975.80/x
  3. Step 3: Cross multiply
    2,180,852.28x = 3,009,535.02 × 1,213,975.80
  4. Step 4: Simplify right side
    2,180,852.28x = 3,653,502,683,532.52
  5. Step 5: Solve for x
    x = 3,653,502,683,532.52/2,180,852.28
  6. Step 6: Final answer
    x = 1,675,263.71

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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.