Home / 5,470,862.72-7,549,814.12-2,990,133.36

Finding the Fourth Proportional to 5,470,862.72, 7,549,814.12 and 2,990,133.36

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Solution

The fourth proportional to 5,470,862.72, 7,549,814.12 and 2,990,133.36 is: 4,126,396.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470,862.72 : 7,549,814.12 = 2,990,133.36 : x
  2. Step 2: Convert to fraction form
    5,470,862.72/7,549,814.12 = 2,990,133.36/x
  3. Step 3: Cross multiply
    5,470,862.72x = 7,549,814.12 × 2,990,133.36
  4. Step 4: Simplify right side
    5,470,862.72x = 22,574,951,047,060.38
  5. Step 5: Solve for x
    x = 22,574,951,047,060.38/5,470,862.72
  6. Step 6: Final answer
    x = 4,126,396.92

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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.