Home / 3,405,688.15-4,700,988.53-2,029,463.58

Finding the Fourth Proportional to 3,405,688.15, 4,700,988.53 and 2,029,463.58

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Solution

The fourth proportional to 3,405,688.15, 4,700,988.53 and 2,029,463.58 is: 2,801,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,688.15 : 4,700,988.53 = 2,029,463.58 : x
  2. Step 2: Convert to fraction form
    3,405,688.15/4,700,988.53 = 2,029,463.58/x
  3. Step 3: Cross multiply
    3,405,688.15x = 4,700,988.53 × 2,029,463.58
  4. Step 4: Simplify right side
    3,405,688.15x = 9,540,484,977,980.48
  5. Step 5: Solve for x
    x = 9,540,484,977,980.48/3,405,688.15
  6. Step 6: Final answer
    x = 2,801,338.40

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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.