Home / 1,719,140.10-2,578,710.15-1,572,173.70

Finding the Fourth Proportional to 1,719,140.10, 2,578,710.15 and 1,572,173.70

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Solution

The fourth proportional to 1,719,140.10, 2,578,710.15 and 1,572,173.70 is: 2,358,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,140.10 : 2,578,710.15 = 1,572,173.70 : x
  2. Step 2: Convert to fraction form
    1,719,140.10/2,578,710.15 = 1,572,173.70/x
  3. Step 3: Cross multiply
    1,719,140.10x = 2,578,710.15 × 1,572,173.70
  4. Step 4: Simplify right side
    1,719,140.10x = 4,054,180,277,753.06
  5. Step 5: Solve for x
    x = 4,054,180,277,753.06/1,719,140.10
  6. Step 6: Final answer
    x = 2,358,260.55

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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.