Home / 3,135,767.80-4,702,485.30-1,242,117.40

Finding the Fourth Proportional to 3,135,767.80, 4,702,485.30 and 1,242,117.40

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Solution

The fourth proportional to 3,135,767.80, 4,702,485.30 and 1,242,117.40 is: 1,862,714.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,767.80 : 4,702,485.30 = 1,242,117.40 : x
  2. Step 2: Convert to fraction form
    3,135,767.80/4,702,485.30 = 1,242,117.40/x
  3. Step 3: Cross multiply
    3,135,767.80x = 4,702,485.30 × 1,242,117.40
  4. Step 4: Simplify right side
    3,135,767.80x = 5,841,038,814,374.22
  5. Step 5: Solve for x
    x = 5,841,038,814,374.22/3,135,767.80
  6. Step 6: Final answer
    x = 1,862,714.07

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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.