Home / 1,980,773.06-2,970,020.12-1,056,388.70

Finding the Fourth Proportional to 1,980,773.06, 2,970,020.12 and 1,056,388.70

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Solution

The fourth proportional to 1,980,773.06, 2,970,020.12 and 1,056,388.70 is: 1,583,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,773.06 : 2,970,020.12 = 1,056,388.70 : x
  2. Step 2: Convert to fraction form
    1,980,773.06/2,970,020.12 = 1,056,388.70/x
  3. Step 3: Cross multiply
    1,980,773.06x = 2,970,020.12 × 1,056,388.70
  4. Step 4: Simplify right side
    1,980,773.06x = 3,137,495,695,683.75
  5. Step 5: Solve for x
    x = 3,137,495,695,683.75/1,980,773.06
  6. Step 6: Final answer
    x = 1,583,975.35

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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.