Home / 1,809,955.96-2,495,981.37-1,222,547.20

Finding the Fourth Proportional to 1,809,955.96, 2,495,981.37 and 1,222,547.20

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Solution

The fourth proportional to 1,809,955.96, 2,495,981.37 and 1,222,547.20 is: 1,685,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,955.96 : 2,495,981.37 = 1,222,547.20 : x
  2. Step 2: Convert to fraction form
    1,809,955.96/2,495,981.37 = 1,222,547.20/x
  3. Step 3: Cross multiply
    1,809,955.96x = 2,495,981.37 × 1,222,547.20
  4. Step 4: Simplify right side
    1,809,955.96x = 3,051,455,035,145.66
  5. Step 5: Solve for x
    x = 3,051,455,035,145.66/1,809,955.96
  6. Step 6: Final answer
    x = 1,685,927.78

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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.