Home / 3,222,407.22-4,447,036.13-1,772,214.81

Finding the Fourth Proportional to 3,222,407.22, 4,447,036.13 and 1,772,214.81

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Solution

The fourth proportional to 3,222,407.22, 4,447,036.13 and 1,772,214.81 is: 2,445,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222,407.22 : 4,447,036.13 = 1,772,214.81 : x
  2. Step 2: Convert to fraction form
    3,222,407.22/4,447,036.13 = 1,772,214.81/x
  3. Step 3: Cross multiply
    3,222,407.22x = 4,447,036.13 × 1,772,214.81
  4. Step 4: Simplify right side
    3,222,407.22x = 7,881,103,281,330.01
  5. Step 5: Solve for x
    x = 7,881,103,281,330.01/3,222,407.22
  6. Step 6: Final answer
    x = 2,445,719.22

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1.5x scale

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.