Home / 3,118,742.29-4,303,879.37-1,742,144.01

Finding the Fourth Proportional to 3,118,742.29, 4,303,879.37 and 1,742,144.01

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Solution

The fourth proportional to 3,118,742.29, 4,303,879.37 and 1,742,144.01 is: 2,404,167.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,742.29 : 4,303,879.37 = 1,742,144.01 : x
  2. Step 2: Convert to fraction form
    3,118,742.29/4,303,879.37 = 1,742,144.01/x
  3. Step 3: Cross multiply
    3,118,742.29x = 4,303,879.37 × 1,742,144.01
  4. Step 4: Simplify right side
    3,118,742.29x = 7,497,977,664,208.07
  5. Step 5: Solve for x
    x = 7,497,977,664,208.07/3,118,742.29
  6. Step 6: Final answer
    x = 2,404,167.12

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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.