Home / 1,815,992.32-2,506,018.08-989,047.16

Finding the Fourth Proportional to 1,815,992.32, 2,506,018.08 and 989,047.16

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Solution

The fourth proportional to 1,815,992.32, 2,506,018.08 and 989,047.16 is: 1,364,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,992.32 : 2,506,018.08 = 989,047.16 : x
  2. Step 2: Convert to fraction form
    1,815,992.32/2,506,018.08 = 989,047.16/x
  3. Step 3: Cross multiply
    1,815,992.32x = 2,506,018.08 × 989,047.16
  4. Step 4: Simplify right side
    1,815,992.32x = 2,478,570,064,932.65
  5. Step 5: Solve for x
    x = 2,478,570,064,932.65/1,815,992.32
  6. Step 6: Final answer
    x = 1,364,857.13

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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.