Home / 3,142,486.96-4,336,509.93-1,920,837.94

Finding the Fourth Proportional to 3,142,486.96, 4,336,509.93 and 1,920,837.94

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Solution

The fourth proportional to 3,142,486.96, 4,336,509.93 and 1,920,837.94 is: 2,650,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,486.96 : 4,336,509.93 = 1,920,837.94 : x
  2. Step 2: Convert to fraction form
    3,142,486.96/4,336,509.93 = 1,920,837.94/x
  3. Step 3: Cross multiply
    3,142,486.96x = 4,336,509.93 × 1,920,837.94
  4. Step 4: Simplify right side
    3,142,486.96x = 8,329,732,800,730.74
  5. Step 5: Solve for x
    x = 8,329,732,800,730.74/3,142,486.96
  6. Step 6: Final answer
    x = 2,650,681.74

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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.