Home / 6,646,143.75-9,968,329.73-1,853,431.67

Finding the Fourth Proportional to 6,646,143.75, 9,968,329.73 and 1,853,431.67

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Solution

The fourth proportional to 6,646,143.75, 9,968,329.73 and 1,853,431.67 is: 2,779,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646,143.75 : 9,968,329.73 = 1,853,431.67 : x
  2. Step 2: Convert to fraction form
    6,646,143.75/9,968,329.73 = 1,853,431.67/x
  3. Step 3: Cross multiply
    6,646,143.75x = 9,968,329.73 × 1,853,431.67
  4. Step 4: Simplify right side
    6,646,143.75x = 18,475,617,989,030.14
  5. Step 5: Solve for x
    x = 18,475,617,989,030.14/6,646,143.75
  6. Step 6: Final answer
    x = 2,779,900.45

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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.