Home / 3,349,683.86-4,622,430.93-1,821,790.58

Finding the Fourth Proportional to 3,349,683.86, 4,622,430.93 and 1,821,790.58

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Solution

The fourth proportional to 3,349,683.86, 4,622,430.93 and 1,821,790.58 is: 2,513,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349,683.86 : 4,622,430.93 = 1,821,790.58 : x
  2. Step 2: Convert to fraction form
    3,349,683.86/4,622,430.93 = 1,821,790.58/x
  3. Step 3: Cross multiply
    3,349,683.86x = 4,622,430.93 × 1,821,790.58
  4. Step 4: Simplify right side
    3,349,683.86x = 8,421,101,124,974.64
  5. Step 5: Solve for x
    x = 8,421,101,124,974.64/3,349,683.86
  6. Step 6: Final answer
    x = 2,513,998.78

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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.