Home / 2,620,312.03-3,928,047.11-1,406,742.80

Finding the Fourth Proportional to 2,620,312.03, 3,928,047.11 and 1,406,742.80

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Solution

The fourth proportional to 2,620,312.03, 3,928,047.11 and 1,406,742.80 is: 2,108,814.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,312.03 : 3,928,047.11 = 1,406,742.80 : x
  2. Step 2: Convert to fraction form
    2,620,312.03/3,928,047.11 = 1,406,742.80/x
  3. Step 3: Cross multiply
    2,620,312.03x = 3,928,047.11 × 1,406,742.80
  4. Step 4: Simplify right side
    2,620,312.03x = 5,525,751,968,654.64
  5. Step 5: Solve for x
    x = 5,525,751,968,654.64/2,620,312.03
  6. Step 6: Final answer
    x = 2,108,814.49

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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.