Home / 1,980,927.38-2,727,558.86-1,547,097.14

Finding the Fourth Proportional to 1,980,927.38, 2,727,558.86 and 1,547,097.14

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Solution

The fourth proportional to 1,980,927.38, 2,727,558.86 and 1,547,097.14 is: 2,130,213.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,927.38 : 2,727,558.86 = 1,547,097.14 : x
  2. Step 2: Convert to fraction form
    1,980,927.38/2,727,558.86 = 1,547,097.14/x
  3. Step 3: Cross multiply
    1,980,927.38x = 2,727,558.86 × 1,547,097.14
  4. Step 4: Simplify right side
    1,980,927.38x = 4,219,798,511,487.66
  5. Step 5: Solve for x
    x = 4,219,798,511,487.66/1,980,927.38
  6. Step 6: Final answer
    x = 2,130,213.63

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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.