Home / 1,684,054.51-2,323,968.11-920,091.67

Finding the Fourth Proportional to 1,684,054.51, 2,323,968.11 and 920,091.67

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Solution

The fourth proportional to 1,684,054.51, 2,323,968.11 and 920,091.67 is: 1,269,711.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,054.51 : 2,323,968.11 = 920,091.67 : x
  2. Step 2: Convert to fraction form
    1,684,054.51/2,323,968.11 = 920,091.67/x
  3. Step 3: Cross multiply
    1,684,054.51x = 2,323,968.11 × 920,091.67
  4. Step 4: Simplify right side
    1,684,054.51x = 2,138,263,694,756.19
  5. Step 5: Solve for x
    x = 2,138,263,694,756.19/1,684,054.51
  6. Step 6: Final answer
    x = 1,269,711.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.