Home / 3,186,023.04-4,778,279.64-911,477.16

Finding the Fourth Proportional to 3,186,023.04, 4,778,279.64 and 911,477.16

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Solution

The fourth proportional to 3,186,023.04, 4,778,279.64 and 911,477.16 is: 1,366,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,023.04 : 4,778,279.64 = 911,477.16 : x
  2. Step 2: Convert to fraction form
    3,186,023.04/4,778,279.64 = 911,477.16/x
  3. Step 3: Cross multiply
    3,186,023.04x = 4,778,279.64 × 911,477.16
  4. Step 4: Simplify right side
    3,186,023.04x = 4,355,292,755,953.02
  5. Step 5: Solve for x
    x = 4,355,292,755,953.02/3,186,023.04
  6. Step 6: Final answer
    x = 1,366,999.77

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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.