Home / 1,688,431.76-2,533,656.32-1,551,064.16

Finding the Fourth Proportional to 1,688,431.76, 2,533,656.32 and 1,551,064.16

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Solution

The fourth proportional to 1,688,431.76, 2,533,656.32 and 1,551,064.16 is: 2,327,522.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,431.76 : 2,533,656.32 = 1,551,064.16 : x
  2. Step 2: Convert to fraction form
    1,688,431.76/2,533,656.32 = 1,551,064.16/x
  3. Step 3: Cross multiply
    1,688,431.76x = 2,533,656.32 × 1,551,064.16
  4. Step 4: Simplify right side
    1,688,431.76x = 3,929,863,511,709.49
  5. Step 5: Solve for x
    x = 3,929,863,511,709.49/1,688,431.76
  6. Step 6: Final answer
    x = 2,327,522.86

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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.