Home / 2,931,214.03-4,397,238.40-909,632.64

Finding the Fourth Proportional to 2,931,214.03, 4,397,238.40 and 909,632.64

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Solution

The fourth proportional to 2,931,214.03, 4,397,238.40 and 909,632.64 is: 1,364,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,214.03 : 4,397,238.40 = 909,632.64 : x
  2. Step 2: Convert to fraction form
    2,931,214.03/4,397,238.40 = 909,632.64/x
  3. Step 3: Cross multiply
    2,931,214.03x = 4,397,238.40 × 909,632.64
  4. Step 4: Simplify right side
    2,931,214.03x = 3,999,871,574,501.38
  5. Step 5: Solve for x
    x = 3,999,871,574,501.38/2,931,214.03
  6. Step 6: Final answer
    x = 1,364,578.48

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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.