Home / 5,076,279.40-7,005,139.30-2,900,684.52

Finding the Fourth Proportional to 5,076,279.40, 7,005,139.30 and 2,900,684.52

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Solution

The fourth proportional to 5,076,279.40, 7,005,139.30 and 2,900,684.52 is: 4,002,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076,279.40 : 7,005,139.30 = 2,900,684.52 : x
  2. Step 2: Convert to fraction form
    5,076,279.40/7,005,139.30 = 2,900,684.52/x
  3. Step 3: Cross multiply
    5,076,279.40x = 7,005,139.30 × 2,900,684.52
  4. Step 4: Simplify right side
    5,076,279.40x = 20,319,699,127,953.64
  5. Step 5: Solve for x
    x = 20,319,699,127,953.64/5,076,279.40
  6. Step 6: Final answer
    x = 4,002,872.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.