Home / 1,530,552.70-2,115,075.81-1,147,915.18

Finding the Fourth Proportional to 1,530,552.70, 2,115,075.81 and 1,147,915.18

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Solution

The fourth proportional to 1,530,552.70, 2,115,075.81 and 1,147,915.18 is: 1,586,307.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,552.70 : 2,115,075.81 = 1,147,915.18 : x
  2. Step 2: Convert to fraction form
    1,530,552.70/2,115,075.81 = 1,147,915.18/x
  3. Step 3: Cross multiply
    1,530,552.70x = 2,115,075.81 × 1,147,915.18
  4. Step 4: Simplify right side
    1,530,552.70x = 2,427,927,629,149.80
  5. Step 5: Solve for x
    x = 2,427,927,629,149.80/1,530,552.70
  6. Step 6: Final answer
    x = 1,586,307.76

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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.