Home / 1,633,475.08-2,254,244.34-989,013.16

Finding the Fourth Proportional to 1,633,475.08, 2,254,244.34 and 989,013.16

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Solution

The fourth proportional to 1,633,475.08, 2,254,244.34 and 989,013.16 is: 1,364,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633,475.08 : 2,254,244.34 = 989,013.16 : x
  2. Step 2: Convert to fraction form
    1,633,475.08/2,254,244.34 = 989,013.16/x
  3. Step 3: Cross multiply
    1,633,475.08x = 2,254,244.34 × 989,013.16
  4. Step 4: Simplify right side
    1,633,475.08x = 2,229,477,318,115.51
  5. Step 5: Solve for x
    x = 2,229,477,318,115.51/1,633,475.08
  6. Step 6: Final answer
    x = 1,364,867.66

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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.