Home / 3,931,899.41-5,899,967.90-1,658,999.14

Finding the Fourth Proportional to 3,931,899.41, 5,899,967.90 and 1,658,999.14

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Solution

The fourth proportional to 3,931,899.41, 5,899,967.90 and 1,658,999.14 is: 2,489,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,899.41 : 5,899,967.90 = 1,658,999.14 : x
  2. Step 2: Convert to fraction form
    3,931,899.41/5,899,967.90 = 1,658,999.14/x
  3. Step 3: Cross multiply
    3,931,899.41x = 5,899,967.90 × 1,658,999.14
  4. Step 4: Simplify right side
    3,931,899.41x = 9,788,041,634,332.77
  5. Step 5: Solve for x
    x = 9,788,041,634,332.77/3,931,899.41
  6. Step 6: Final answer
    x = 2,489,392.69

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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.