Home / 1,939,901.80-2,909,852.70-1,771,940.20

Finding the Fourth Proportional to 1,939,901.80, 2,909,852.70 and 1,771,940.20

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Solution

The fourth proportional to 1,939,901.80, 2,909,852.70 and 1,771,940.20 is: 2,657,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,901.80 : 2,909,852.70 = 1,771,940.20 : x
  2. Step 2: Convert to fraction form
    1,939,901.80/2,909,852.70 = 1,771,940.20/x
  3. Step 3: Cross multiply
    1,939,901.80x = 2,909,852.70 × 1,771,940.20
  4. Step 4: Simplify right side
    1,939,901.80x = 5,156,084,975,208.54
  5. Step 5: Solve for x
    x = 5,156,084,975,208.54/1,939,901.80
  6. Step 6: Final answer
    x = 2,657,910.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.