Home / 1,920,818.40-2,883,035.52-974,868

Finding the Fourth Proportional to 1,920,818.40, 2,883,035.52 and 974,868

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Solution

The fourth proportional to 1,920,818.40, 2,883,035.52 and 974,868 is: 1,463,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,818.40 : 2,883,035.52 = 974,868 : x
  2. Step 2: Convert to fraction form
    1,920,818.40/2,883,035.52 = 974,868/x
  3. Step 3: Cross multiply
    1,920,818.40x = 2,883,035.52 × 974,868
  4. Step 4: Simplify right side
    1,920,818.40x = 2,810,579,071,311.36
  5. Step 5: Solve for x
    x = 2,810,579,071,311.36/1,920,818.40
  6. Step 6: Final answer
    x = 1,463,219.57

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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.