Home / 6,428,661.84-8,871,525.36-3,528,099.54

Finding the Fourth Proportional to 6,428,661.84, 8,871,525.36 and 3,528,099.54

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Solution

The fourth proportional to 6,428,661.84, 8,871,525.36 and 3,528,099.54 is: 4,868,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,661.84 : 8,871,525.36 = 3,528,099.54 : x
  2. Step 2: Convert to fraction form
    6,428,661.84/8,871,525.36 = 3,528,099.54/x
  3. Step 3: Cross multiply
    6,428,661.84x = 8,871,525.36 × 3,528,099.54
  4. Step 4: Simplify right side
    6,428,661.84x = 31,299,624,541,714.33
  5. Step 5: Solve for x
    x = 31,299,624,541,714.33/6,428,661.84
  6. Step 6: Final answer
    x = 4,868,762.01

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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.