Home / 1,999,993.76-3,000,417.12-1,147,457.12

Finding the Fourth Proportional to 1,999,993.76, 3,000,417.12 and 1,147,457.12

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Solution

The fourth proportional to 1,999,993.76, 3,000,417.12 and 1,147,457.12 is: 1,721,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,993.76 : 3,000,417.12 = 1,147,457.12 : x
  2. Step 2: Convert to fraction form
    1,999,993.76/3,000,417.12 = 1,147,457.12/x
  3. Step 3: Cross multiply
    1,999,993.76x = 3,000,417.12 × 1,147,457.12
  4. Step 4: Simplify right side
    1,999,993.76x = 3,442,849,987,313.90
  5. Step 5: Solve for x
    x = 3,442,849,987,313.90/1,999,993.76
  6. Step 6: Final answer
    x = 1,721,430.36

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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.