Home / 5,913,929.40-8,871,989.22-1,871,434.86

Finding the Fourth Proportional to 5,913,929.40, 8,871,989.22 and 1,871,434.86

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Solution

The fourth proportional to 5,913,929.40, 8,871,989.22 and 1,871,434.86 is: 2,807,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913,929.40 : 8,871,989.22 = 1,871,434.86 : x
  2. Step 2: Convert to fraction form
    5,913,929.40/8,871,989.22 = 1,871,434.86/x
  3. Step 3: Cross multiply
    5,913,929.40x = 8,871,989.22 × 1,871,434.86
  4. Step 4: Simplify right side
    5,913,929.40x = 16,603,349,903,852.21
  5. Step 5: Solve for x
    x = 16,603,349,903,852.21/5,913,929.40
  6. Step 6: Final answer
    x = 2,807,498.84

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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.