Home / 1,989,877.60-2,746,020.72-1,084,451.68

Finding the Fourth Proportional to 1,989,877.60, 2,746,020.72 and 1,084,451.68

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Solution

The fourth proportional to 1,989,877.60, 2,746,020.72 and 1,084,451.68 is: 1,496,537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,877.60 : 2,746,020.72 = 1,084,451.68 : x
  2. Step 2: Convert to fraction form
    1,989,877.60/2,746,020.72 = 1,084,451.68/x
  3. Step 3: Cross multiply
    1,989,877.60x = 2,746,020.72 × 1,084,451.68
  4. Step 4: Simplify right side
    1,989,877.60x = 2,977,926,783,118.81
  5. Step 5: Solve for x
    x = 2,977,926,783,118.81/1,989,877.60
  6. Step 6: Final answer
    x = 1,496,537.67

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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.