Home / 2,804,130.80-4,200,666.60-1,678,857.20

Finding the Fourth Proportional to 2,804,130.80, 4,200,666.60 and 1,678,857.20

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Solution

The fourth proportional to 2,804,130.80, 4,200,666.60 and 1,678,857.20 is: 2,514,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804,130.80 : 4,200,666.60 = 1,678,857.20 : x
  2. Step 2: Convert to fraction form
    2,804,130.80/4,200,666.60 = 1,678,857.20/x
  3. Step 3: Cross multiply
    2,804,130.80x = 4,200,666.60 × 1,678,857.20
  4. Step 4: Simplify right side
    2,804,130.80x = 7,052,319,366,209.52
  5. Step 5: Solve for x
    x = 7,052,319,366,209.52/2,804,130.80
  6. Step 6: Final answer
    x = 2,514,975.18

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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.