Home / 5,357,127.16-7,392,889.74-2,909,786

Finding the Fourth Proportional to 5,357,127.16, 7,392,889.74 and 2,909,786

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Solution

The fourth proportional to 5,357,127.16, 7,392,889.74 and 2,909,786 is: 4,015,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357,127.16 : 7,392,889.74 = 2,909,786 : x
  2. Step 2: Convert to fraction form
    5,357,127.16/7,392,889.74 = 2,909,786/x
  3. Step 3: Cross multiply
    5,357,127.16x = 7,392,889.74 × 2,909,786
  4. Step 4: Simplify right side
    5,357,127.16x = 21,511,727,064,995.64
  5. Step 5: Solve for x
    x = 21,511,727,064,995.64/5,357,127.16
  6. Step 6: Final answer
    x = 4,015,534.15

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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.