Home / 2,173,807-2,999,947.35-1,206,937.42

Finding the Fourth Proportional to 2,173,807, 2,999,947.35 and 1,206,937.42

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Solution

The fourth proportional to 2,173,807, 2,999,947.35 and 1,206,937.42 is: 1,665,625.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,807 : 2,999,947.35 = 1,206,937.42 : x
  2. Step 2: Convert to fraction form
    2,173,807/2,999,947.35 = 1,206,937.42/x
  3. Step 3: Cross multiply
    2,173,807x = 2,999,947.35 × 1,206,937.42
  4. Step 4: Simplify right side
    2,173,807x = 3,620,748,714,744.84
  5. Step 5: Solve for x
    x = 3,620,748,714,744.84/2,173,807
  6. Step 6: Final answer
    x = 1,665,625.66

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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.