Home / 1,912,075.74-2,638,561.64-1,096,239.69

Finding the Fourth Proportional to 1,912,075.74, 2,638,561.64 and 1,096,239.69

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Solution

The fourth proportional to 1,912,075.74, 2,638,561.64 and 1,096,239.69 is: 1,512,751.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,075.74 : 2,638,561.64 = 1,096,239.69 : x
  2. Step 2: Convert to fraction form
    1,912,075.74/2,638,561.64 = 1,096,239.69/x
  3. Step 3: Cross multiply
    1,912,075.74x = 2,638,561.64 × 1,096,239.69
  4. Step 4: Simplify right side
    1,912,075.74x = 2,892,495,988,798.29
  5. Step 5: Solve for x
    x = 2,892,495,988,798.29/1,912,075.74
  6. Step 6: Final answer
    x = 1,512,751.79

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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.