Home / 3,397,998.80-4,689,069-1,870,066.64

Finding the Fourth Proportional to 3,397,998.80, 4,689,069 and 1,870,066.64

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Solution

The fourth proportional to 3,397,998.80, 4,689,069 and 1,870,066.64 is: 2,580,598.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397,998.80 : 4,689,069 = 1,870,066.64 : x
  2. Step 2: Convert to fraction form
    3,397,998.80/4,689,069 = 1,870,066.64/x
  3. Step 3: Cross multiply
    3,397,998.80x = 4,689,069 × 1,870,066.64
  4. Step 4: Simplify right side
    3,397,998.80x = 8,768,871,509,558.16
  5. Step 5: Solve for x
    x = 8,768,871,509,558.16/3,397,998.80
  6. Step 6: Final answer
    x = 2,580,598.77

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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.