Home / 6,519,430.80-9,778,708.80-1,727,017.20

Finding the Fourth Proportional to 6,519,430.80, 9,778,708.80 and 1,727,017.20

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Solution

The fourth proportional to 6,519,430.80, 9,778,708.80 and 1,727,017.20 is: 2,590,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519,430.80 : 9,778,708.80 = 1,727,017.20 : x
  2. Step 2: Convert to fraction form
    6,519,430.80/9,778,708.80 = 1,727,017.20/x
  3. Step 3: Cross multiply
    6,519,430.80x = 9,778,708.80 × 1,727,017.20
  4. Step 4: Simplify right side
    6,519,430.80x = 16,887,998,291,391.36
  5. Step 5: Solve for x
    x = 16,887,998,291,391.36/6,519,430.80
  6. Step 6: Final answer
    x = 2,590,409.93

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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.