Home / 2,076,804.60-3,115,206.90-878,416.08

Finding the Fourth Proportional to 2,076,804.60, 3,115,206.90 and 878,416.08

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Solution

The fourth proportional to 2,076,804.60, 3,115,206.90 and 878,416.08 is: 1,317,624.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,804.60 : 3,115,206.90 = 878,416.08 : x
  2. Step 2: Convert to fraction form
    2,076,804.60/3,115,206.90 = 878,416.08/x
  3. Step 3: Cross multiply
    2,076,804.60x = 3,115,206.90 × 878,416.08
  4. Step 4: Simplify right side
    2,076,804.60x = 2,736,447,833,486.95
  5. Step 5: Solve for x
    x = 2,736,447,833,486.95/2,076,804.60
  6. Step 6: Final answer
    x = 1,317,624.12

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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.