Home / 3,118,977.68-4,302,392.95-1,877,724.64

Finding the Fourth Proportional to 3,118,977.68, 4,302,392.95 and 1,877,724.64

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Solution

The fourth proportional to 3,118,977.68, 4,302,392.95 and 1,877,724.64 is: 2,590,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,977.68 : 4,302,392.95 = 1,877,724.64 : x
  2. Step 2: Convert to fraction form
    3,118,977.68/4,302,392.95 = 1,877,724.64/x
  3. Step 3: Cross multiply
    3,118,977.68x = 4,302,392.95 × 1,877,724.64
  4. Step 4: Simplify right side
    3,118,977.68x = 8,078,709,237,726.99
  5. Step 5: Solve for x
    x = 8,078,709,237,726.99/3,118,977.68
  6. Step 6: Final answer
    x = 2,590,178.60

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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.