Home / 1,980,748.88-2,733,444.36-1,164,986.72

Finding the Fourth Proportional to 1,980,748.88, 2,733,444.36 and 1,164,986.72

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Solution

The fourth proportional to 1,980,748.88, 2,733,444.36 and 1,164,986.72 is: 1,607,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,748.88 : 2,733,444.36 = 1,164,986.72 : x
  2. Step 2: Convert to fraction form
    1,980,748.88/2,733,444.36 = 1,164,986.72/x
  3. Step 3: Cross multiply
    1,980,748.88x = 2,733,444.36 × 1,164,986.72
  4. Step 4: Simplify right side
    1,980,748.88x = 3,184,426,379,258.90
  5. Step 5: Solve for x
    x = 3,184,426,379,258.90/1,980,748.88
  6. Step 6: Final answer
    x = 1,607,688.09

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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.