Home / 1,871,009.51-2,806,489.64-451,054.19

Finding the Fourth Proportional to 1,871,009.51, 2,806,489.64 and 451,054.19

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Solution

The fourth proportional to 1,871,009.51, 2,806,489.64 and 451,054.19 is: 676,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,009.51 : 2,806,489.64 = 451,054.19 : x
  2. Step 2: Convert to fraction form
    1,871,009.51/2,806,489.64 = 451,054.19/x
  3. Step 3: Cross multiply
    1,871,009.51x = 2,806,489.64 × 451,054.19
  4. Step 4: Simplify right side
    1,871,009.51x = 1,265,878,919,457.45
  5. Step 5: Solve for x
    x = 1,265,878,919,457.45/1,871,009.51
  6. Step 6: Final answer
    x = 676,575.35

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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.