Home / 1,927,047.20-2,887,460.40-1,215,802.40

Finding the Fourth Proportional to 1,927,047.20, 2,887,460.40 and 1,215,802.40

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Solution

The fourth proportional to 1,927,047.20, 2,887,460.40 and 1,215,802.40 is: 1,821,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,047.20 : 2,887,460.40 = 1,215,802.40 : x
  2. Step 2: Convert to fraction form
    1,927,047.20/2,887,460.40 = 1,215,802.40/x
  3. Step 3: Cross multiply
    1,927,047.20x = 2,887,460.40 × 1,215,802.40
  4. Step 4: Simplify right side
    1,927,047.20x = 3,510,581,284,224.96
  5. Step 5: Solve for x
    x = 3,510,581,284,224.96/1,927,047.20
  6. Step 6: Final answer
    x = 1,821,741.20

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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.