Home / 1,979,192.40-2,968,399.80-649,496.40

Finding the Fourth Proportional to 1,979,192.40, 2,968,399.80 and 649,496.40

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Solution

The fourth proportional to 1,979,192.40, 2,968,399.80 and 649,496.40 is: 974,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,192.40 : 2,968,399.80 = 649,496.40 : x
  2. Step 2: Convert to fraction form
    1,979,192.40/2,968,399.80 = 649,496.40/x
  3. Step 3: Cross multiply
    1,979,192.40x = 2,968,399.80 × 649,496.40
  4. Step 4: Simplify right side
    1,979,192.40x = 1,927,964,983,860.72
  5. Step 5: Solve for x
    x = 1,927,964,983,860.72/1,979,192.40
  6. Step 6: Final answer
    x = 974,117.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.