Home / 2,075,911.40-3,113,867.10-1,180,116.20

Finding the Fourth Proportional to 2,075,911.40, 3,113,867.10 and 1,180,116.20

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Solution

The fourth proportional to 2,075,911.40, 3,113,867.10 and 1,180,116.20 is: 1,770,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,911.40 : 3,113,867.10 = 1,180,116.20 : x
  2. Step 2: Convert to fraction form
    2,075,911.40/3,113,867.10 = 1,180,116.20/x
  3. Step 3: Cross multiply
    2,075,911.40x = 3,113,867.10 × 1,180,116.20
  4. Step 4: Simplify right side
    2,075,911.40x = 3,674,725,009,357.02
  5. Step 5: Solve for x
    x = 3,674,725,009,357.02/2,075,911.40
  6. Step 6: Final answer
    x = 1,770,174.30

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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.