Home / 2,909,661.84-4,015,457.40-1,620,502.22

Finding the Fourth Proportional to 2,909,661.84, 4,015,457.40 and 1,620,502.22

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Solution

The fourth proportional to 2,909,661.84, 4,015,457.40 and 1,620,502.22 is: 2,236,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,661.84 : 4,015,457.40 = 1,620,502.22 : x
  2. Step 2: Convert to fraction form
    2,909,661.84/4,015,457.40 = 1,620,502.22/x
  3. Step 3: Cross multiply
    2,909,661.84x = 4,015,457.40 × 1,620,502.22
  4. Step 4: Simplify right side
    2,909,661.84x = 6,507,057,610,938.14
  5. Step 5: Solve for x
    x = 6,507,057,610,938.14/2,909,661.84
  6. Step 6: Final answer
    x = 2,236,362.15

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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.