Home / 3,911,483.81-5,398,401.05-2,169,538.31

Finding the Fourth Proportional to 3,911,483.81, 5,398,401.05 and 2,169,538.31

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Solution

The fourth proportional to 3,911,483.81, 5,398,401.05 and 2,169,538.31 is: 2,994,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,483.81 : 5,398,401.05 = 2,169,538.31 : x
  2. Step 2: Convert to fraction form
    3,911,483.81/5,398,401.05 = 2,169,538.31/x
  3. Step 3: Cross multiply
    3,911,483.81x = 5,398,401.05 × 2,169,538.31
  4. Step 4: Simplify right side
    3,911,483.81x = 11,712,037,890,719.22
  5. Step 5: Solve for x
    x = 11,712,037,890,719.22/3,911,483.81
  6. Step 6: Final answer
    x = 2,994,269.81

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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.