Home / 1,912,534.80-2,868,802.20-1,114,717.20

Finding the Fourth Proportional to 1,912,534.80, 2,868,802.20 and 1,114,717.20

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Solution

The fourth proportional to 1,912,534.80, 2,868,802.20 and 1,114,717.20 is: 1,672,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,534.80 : 2,868,802.20 = 1,114,717.20 : x
  2. Step 2: Convert to fraction form
    1,912,534.80/2,868,802.20 = 1,114,717.20/x
  3. Step 3: Cross multiply
    1,912,534.80x = 2,868,802.20 × 1,114,717.20
  4. Step 4: Simplify right side
    1,912,534.80x = 3,197,903,155,737.84
  5. Step 5: Solve for x
    x = 3,197,903,155,737.84/1,912,534.80
  6. Step 6: Final answer
    x = 1,672,075.80

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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.