Home / 2,159,607-2,980,257.90-1,254,247.32

Finding the Fourth Proportional to 2,159,607, 2,980,257.90 and 1,254,247.32

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Solution

The fourth proportional to 2,159,607, 2,980,257.90 and 1,254,247.32 is: 1,730,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,607 : 2,980,257.90 = 1,254,247.32 : x
  2. Step 2: Convert to fraction form
    2,159,607/2,980,257.90 = 1,254,247.32/x
  3. Step 3: Cross multiply
    2,159,607x = 2,980,257.90 × 1,254,247.32
  4. Step 4: Simplify right side
    2,159,607x = 3,737,980,483,983.83
  5. Step 5: Solve for x
    x = 3,737,980,483,983.83/2,159,607
  6. Step 6: Final answer
    x = 1,730,861.44

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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.