Home / 1,930,548-2,664,156.60-1,071,106.20

Finding the Fourth Proportional to 1,930,548, 2,664,156.60 and 1,071,106.20

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Solution

The fourth proportional to 1,930,548, 2,664,156.60 and 1,071,106.20 is: 1,478,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,548 : 2,664,156.60 = 1,071,106.20 : x
  2. Step 2: Convert to fraction form
    1,930,548/2,664,156.60 = 1,071,106.20/x
  3. Step 3: Cross multiply
    1,930,548x = 2,664,156.60 × 1,071,106.20
  4. Step 4: Simplify right side
    1,930,548x = 2,853,594,652,030.92
  5. Step 5: Solve for x
    x = 2,853,594,652,030.92/1,930,548
  6. Step 6: Final answer
    x = 1,478,126.76

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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.