Home / 3,156,076.68-4,355,298.64-1,779,408.32

Finding the Fourth Proportional to 3,156,076.68, 4,355,298.64 and 1,779,408.32

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Solution

The fourth proportional to 3,156,076.68, 4,355,298.64 and 1,779,408.32 is: 2,455,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,076.68 : 4,355,298.64 = 1,779,408.32 : x
  2. Step 2: Convert to fraction form
    3,156,076.68/4,355,298.64 = 1,779,408.32/x
  3. Step 3: Cross multiply
    3,156,076.68x = 4,355,298.64 × 1,779,408.32
  4. Step 4: Simplify right side
    3,156,076.68x = 7,749,854,636,100.69
  5. Step 5: Solve for x
    x = 7,749,854,636,100.69/3,156,076.68
  6. Step 6: Final answer
    x = 2,455,534.33

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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.