Home / 1,980,939.60-2,971,409.40-1,036,155.60

Finding the Fourth Proportional to 1,980,939.60, 2,971,409.40 and 1,036,155.60

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Solution

The fourth proportional to 1,980,939.60, 2,971,409.40 and 1,036,155.60 is: 1,554,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,939.60 : 2,971,409.40 = 1,036,155.60 : x
  2. Step 2: Convert to fraction form
    1,980,939.60/2,971,409.40 = 1,036,155.60/x
  3. Step 3: Cross multiply
    1,980,939.60x = 2,971,409.40 × 1,036,155.60
  4. Step 4: Simplify right side
    1,980,939.60x = 3,078,842,489,702.64
  5. Step 5: Solve for x
    x = 3,078,842,489,702.64/1,980,939.60
  6. Step 6: Final answer
    x = 1,554,233.40

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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.