Home / 2,913,500.90-4,020,648.10-1,624,421.54

Finding the Fourth Proportional to 2,913,500.90, 4,020,648.10 and 1,624,421.54

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Solution

The fourth proportional to 2,913,500.90, 4,020,648.10 and 1,624,421.54 is: 2,241,711.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,500.90 : 4,020,648.10 = 1,624,421.54 : x
  2. Step 2: Convert to fraction form
    2,913,500.90/4,020,648.10 = 1,624,421.54/x
  3. Step 3: Cross multiply
    2,913,500.90x = 4,020,648.10 × 1,624,421.54
  4. Step 4: Simplify right side
    2,913,500.90x = 6,531,227,378,400.07
  5. Step 5: Solve for x
    x = 6,531,227,378,400.07/2,913,500.90
  6. Step 6: Final answer
    x = 2,241,711.12

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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.