Home / 2,775,101.60-4,161,615.60-1,931,146.40

Finding the Fourth Proportional to 2,775,101.60, 4,161,615.60 and 1,931,146.40

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Solution

The fourth proportional to 2,775,101.60, 4,161,615.60 and 1,931,146.40 is: 2,895,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,101.60 : 4,161,615.60 = 1,931,146.40 : x
  2. Step 2: Convert to fraction form
    2,775,101.60/4,161,615.60 = 1,931,146.40/x
  3. Step 3: Cross multiply
    2,775,101.60x = 4,161,615.60 × 1,931,146.40
  4. Step 4: Simplify right side
    2,775,101.60x = 8,036,688,984,123.84
  5. Step 5: Solve for x
    x = 8,036,688,984,123.84/2,775,101.60
  6. Step 6: Final answer
    x = 2,895,998.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.