Home / 4,678,317.80-7,017,684.06-1,312,450.28

Finding the Fourth Proportional to 4,678,317.80, 7,017,684.06 and 1,312,450.28

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Solution

The fourth proportional to 4,678,317.80, 7,017,684.06 and 1,312,450.28 is: 1,968,733.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,317.80 : 7,017,684.06 = 1,312,450.28 : x
  2. Step 2: Convert to fraction form
    4,678,317.80/7,017,684.06 = 1,312,450.28/x
  3. Step 3: Cross multiply
    4,678,317.80x = 7,017,684.06 × 1,312,450.28
  4. Step 4: Simplify right side
    4,678,317.80x = 9,210,361,409,498.54
  5. Step 5: Solve for x
    x = 9,210,361,409,498.54/4,678,317.80
  6. Step 6: Final answer
    x = 1,968,733.59

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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.