Home / 1,980,557.64-2,732,749.11-1,164,463.47

Finding the Fourth Proportional to 1,980,557.64, 2,732,749.11 and 1,164,463.47

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Solution

The fourth proportional to 1,980,557.64, 2,732,749.11 and 1,164,463.47 is: 1,606,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,557.64 : 2,732,749.11 = 1,164,463.47 : x
  2. Step 2: Convert to fraction form
    1,980,557.64/2,732,749.11 = 1,164,463.47/x
  3. Step 3: Cross multiply
    1,980,557.64x = 2,732,749.11 × 1,164,463.47
  4. Step 4: Simplify right side
    1,980,557.64x = 3,182,186,511,270.01
  5. Step 5: Solve for x
    x = 3,182,186,511,270.01/1,980,557.64
  6. Step 6: Final answer
    x = 1,606,712.40

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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.