Home / 5,076,278.40-7,005,137.92-2,900,683.52

Finding the Fourth Proportional to 5,076,278.40, 7,005,137.92 and 2,900,683.52

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Solution

The fourth proportional to 5,076,278.40, 7,005,137.92 and 2,900,683.52 is: 4,002,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076,278.40 : 7,005,137.92 = 2,900,683.52 : x
  2. Step 2: Convert to fraction form
    5,076,278.40/7,005,137.92 = 2,900,683.52/x
  3. Step 3: Cross multiply
    5,076,278.40x = 7,005,137.92 × 2,900,683.52
  4. Step 4: Simplify right side
    5,076,278.40x = 20,319,688,119,871.08
  5. Step 5: Solve for x
    x = 20,319,688,119,871.08/5,076,278.40
  6. Step 6: Final answer
    x = 4,002,871.10

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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.