Home / 3,130,409.10-4,694,998.05-999,919.02

Finding the Fourth Proportional to 3,130,409.10, 4,694,998.05 and 999,919.02

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Solution

The fourth proportional to 3,130,409.10, 4,694,998.05 and 999,919.02 is: 1,499,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,409.10 : 4,694,998.05 = 999,919.02 : x
  2. Step 2: Convert to fraction form
    3,130,409.10/4,694,998.05 = 999,919.02/x
  3. Step 3: Cross multiply
    3,130,409.10x = 4,694,998.05 × 999,919.02
  4. Step 4: Simplify right side
    3,130,409.10x = 4,694,617,849,057.91
  5. Step 5: Solve for x
    x = 4,694,617,849,057.91/3,130,409.10
  6. Step 6: Final answer
    x = 1,499,681.89

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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.