Home / 2,550,973.40-3,520,343.18-1,405,053.78

Finding the Fourth Proportional to 2,550,973.40, 3,520,343.18 and 1,405,053.78

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Solution

The fourth proportional to 2,550,973.40, 3,520,343.18 and 1,405,053.78 is: 1,938,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550,973.40 : 3,520,343.18 = 1,405,053.78 : x
  2. Step 2: Convert to fraction form
    2,550,973.40/3,520,343.18 = 1,405,053.78/x
  3. Step 3: Cross multiply
    2,550,973.40x = 3,520,343.18 × 1,405,053.78
  4. Step 4: Simplify right side
    2,550,973.40x = 4,946,271,484,930.95
  5. Step 5: Solve for x
    x = 4,946,271,484,930.95/2,550,973.40
  6. Step 6: Final answer
    x = 1,938,974.16

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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.