Home / 2,955,476.16-4,078,475.64-1,666,305.36

Finding the Fourth Proportional to 2,955,476.16, 4,078,475.64 and 1,666,305.36

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Solution

The fourth proportional to 2,955,476.16, 4,078,475.64 and 1,666,305.36 is: 2,299,455.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955,476.16 : 4,078,475.64 = 1,666,305.36 : x
  2. Step 2: Convert to fraction form
    2,955,476.16/4,078,475.64 = 1,666,305.36/x
  3. Step 3: Cross multiply
    2,955,476.16x = 4,078,475.64 × 1,666,305.36
  4. Step 4: Simplify right side
    2,955,476.16x = 6,795,985,819,561.43
  5. Step 5: Solve for x
    x = 6,795,985,819,561.43/2,955,476.16
  6. Step 6: Final answer
    x = 2,299,455.47

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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.