Home / 4,580,709.40-6,871,841.70-1,385,810.20

Finding the Fourth Proportional to 4,580,709.40, 6,871,841.70 and 1,385,810.20

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Solution

The fourth proportional to 4,580,709.40, 6,871,841.70 and 1,385,810.20 is: 2,078,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580,709.40 : 6,871,841.70 = 1,385,810.20 : x
  2. Step 2: Convert to fraction form
    4,580,709.40/6,871,841.70 = 1,385,810.20/x
  3. Step 3: Cross multiply
    4,580,709.40x = 6,871,841.70 × 1,385,810.20
  4. Step 4: Simplify right side
    4,580,709.40x = 9,523,068,320,645.34
  5. Step 5: Solve for x
    x = 9,523,068,320,645.34/4,580,709.40
  6. Step 6: Final answer
    x = 2,078,950.55

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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.