Home / 2,990,685.76-4,484,920.48-1,071,297.76

Finding the Fourth Proportional to 2,990,685.76, 4,484,920.48 and 1,071,297.76

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Solution

The fourth proportional to 2,990,685.76, 4,484,920.48 and 1,071,297.76 is: 1,606,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,685.76 : 4,484,920.48 = 1,071,297.76 : x
  2. Step 2: Convert to fraction form
    2,990,685.76/4,484,920.48 = 1,071,297.76/x
  3. Step 3: Cross multiply
    2,990,685.76x = 4,484,920.48 × 1,071,297.76
  4. Step 4: Simplify right side
    2,990,685.76x = 4,804,685,264,002.13
  5. Step 5: Solve for x
    x = 4,804,685,264,002.13/2,990,685.76
  6. Step 6: Final answer
    x = 1,606,549.68

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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.