Home / 1,905,289.02-2,629,302.61-1,131,075.15

Finding the Fourth Proportional to 1,905,289.02, 2,629,302.61 and 1,131,075.15

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Solution

The fourth proportional to 1,905,289.02, 2,629,302.61 and 1,131,075.15 is: 1,560,885.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,289.02 : 2,629,302.61 = 1,131,075.15 : x
  2. Step 2: Convert to fraction form
    1,905,289.02/2,629,302.61 = 1,131,075.15/x
  3. Step 3: Cross multiply
    1,905,289.02x = 2,629,302.61 × 1,131,075.15
  4. Step 4: Simplify right side
    1,905,289.02x = 2,973,938,855,274.87
  5. Step 5: Solve for x
    x = 2,973,938,855,274.87/1,905,289.02
  6. Step 6: Final answer
    x = 1,560,885.94

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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.