Home / 1,507,946.10-2,261,919.15-1,242,006.90

Finding the Fourth Proportional to 1,507,946.10, 2,261,919.15 and 1,242,006.90

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Solution

The fourth proportional to 1,507,946.10, 2,261,919.15 and 1,242,006.90 is: 1,863,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,946.10 : 2,261,919.15 = 1,242,006.90 : x
  2. Step 2: Convert to fraction form
    1,507,946.10/2,261,919.15 = 1,242,006.90/x
  3. Step 3: Cross multiply
    1,507,946.10x = 2,261,919.15 × 1,242,006.90
  4. Step 4: Simplify right side
    1,507,946.10x = 2,809,319,191,542.13
  5. Step 5: Solve for x
    x = 2,809,319,191,542.13/1,507,946.10
  6. Step 6: Final answer
    x = 1,863,010.35

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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.