Home / 2,803,915.76-4,205,907.36-782,036.55

Finding the Fourth Proportional to 2,803,915.76, 4,205,907.36 and 782,036.55

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Solution

The fourth proportional to 2,803,915.76, 4,205,907.36 and 782,036.55 is: 1,173,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,915.76 : 4,205,907.36 = 782,036.55 : x
  2. Step 2: Convert to fraction form
    2,803,915.76/4,205,907.36 = 782,036.55/x
  3. Step 3: Cross multiply
    2,803,915.76x = 4,205,907.36 × 782,036.55
  4. Step 4: Simplify right side
    2,803,915.76x = 3,289,173,281,434.01
  5. Step 5: Solve for x
    x = 3,289,173,281,434.01/2,803,915.76
  6. Step 6: Final answer
    x = 1,173,064.23

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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.