Home / 1,894,643.20-2,841,964.80-1,365,875.20

Finding the Fourth Proportional to 1,894,643.20, 2,841,964.80 and 1,365,875.20

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Solution

The fourth proportional to 1,894,643.20, 2,841,964.80 and 1,365,875.20 is: 2,048,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894,643.20 : 2,841,964.80 = 1,365,875.20 : x
  2. Step 2: Convert to fraction form
    1,894,643.20/2,841,964.80 = 1,365,875.20/x
  3. Step 3: Cross multiply
    1,894,643.20x = 2,841,964.80 × 1,365,875.20
  4. Step 4: Simplify right side
    1,894,643.20x = 3,881,769,239,592.96
  5. Step 5: Solve for x
    x = 3,881,769,239,592.96/1,894,643.20
  6. Step 6: Final answer
    x = 2,048,812.80

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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.