Home / 2,009,435.40-3,013,551.90-661,349.16

Finding the Fourth Proportional to 2,009,435.40, 3,013,551.90 and 661,349.16

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Solution

The fourth proportional to 2,009,435.40, 3,013,551.90 and 661,349.16 is: 991,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,435.40 : 3,013,551.90 = 661,349.16 : x
  2. Step 2: Convert to fraction form
    2,009,435.40/3,013,551.90 = 661,349.16/x
  3. Step 3: Cross multiply
    2,009,435.40x = 3,013,551.90 × 661,349.16
  4. Step 4: Simplify right side
    2,009,435.40x = 1,993,010,017,681.40
  5. Step 5: Solve for x
    x = 1,993,010,017,681.40/2,009,435.40
  6. Step 6: Final answer
    x = 991,825.87

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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.