Home / 1,559,621.40-2,339,432.10-1,456,978.20

Finding the Fourth Proportional to 1,559,621.40, 2,339,432.10 and 1,456,978.20

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Solution

The fourth proportional to 1,559,621.40, 2,339,432.10 and 1,456,978.20 is: 2,185,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,621.40 : 2,339,432.10 = 1,456,978.20 : x
  2. Step 2: Convert to fraction form
    1,559,621.40/2,339,432.10 = 1,456,978.20/x
  3. Step 3: Cross multiply
    1,559,621.40x = 2,339,432.10 × 1,456,978.20
  4. Step 4: Simplify right side
    1,559,621.40x = 3,408,501,570,080.22
  5. Step 5: Solve for x
    x = 3,408,501,570,080.22/1,559,621.40
  6. Step 6: Final answer
    x = 2,185,467.30

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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.