Home / 2,913,428.70-4,023,070.28-1,827,566.80

Finding the Fourth Proportional to 2,913,428.70, 4,023,070.28 and 1,827,566.80

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Solution

The fourth proportional to 2,913,428.70, 4,023,070.28 and 1,827,566.80 is: 2,523,634.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,428.70 : 4,023,070.28 = 1,827,566.80 : x
  2. Step 2: Convert to fraction form
    2,913,428.70/4,023,070.28 = 1,827,566.80/x
  3. Step 3: Cross multiply
    2,913,428.70x = 4,023,070.28 × 1,827,566.80
  4. Step 4: Simplify right side
    2,913,428.70x = 7,352,429,677,794.70
  5. Step 5: Solve for x
    x = 7,352,429,677,794.70/2,913,428.70
  6. Step 6: Final answer
    x = 2,523,634.67

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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.