Home / 3,134,671.20-4,326,319.16-1,911,686.24

Finding the Fourth Proportional to 3,134,671.20, 4,326,319.16 and 1,911,686.24

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Solution

The fourth proportional to 3,134,671.20, 4,326,319.16 and 1,911,686.24 is: 2,638,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134,671.20 : 4,326,319.16 = 1,911,686.24 : x
  2. Step 2: Convert to fraction form
    3,134,671.20/4,326,319.16 = 1,911,686.24/x
  3. Step 3: Cross multiply
    3,134,671.20x = 4,326,319.16 × 1,911,686.24
  4. Step 4: Simplify right side
    3,134,671.20x = 8,270,564,808,020.36
  5. Step 5: Solve for x
    x = 8,270,564,808,020.36/3,134,671.20
  6. Step 6: Final answer
    x = 2,638,415.41

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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.