Home / 2,019,159.45-3,030,215.40-1,345,016.70

Finding the Fourth Proportional to 2,019,159.45, 3,030,215.40 and 1,345,016.70

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Solution

The fourth proportional to 2,019,159.45, 3,030,215.40 and 1,345,016.70 is: 2,018,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,159.45 : 3,030,215.40 = 1,345,016.70 : x
  2. Step 2: Convert to fraction form
    2,019,159.45/3,030,215.40 = 1,345,016.70/x
  3. Step 3: Cross multiply
    2,019,159.45x = 3,030,215.40 × 1,345,016.70
  4. Step 4: Simplify right side
    2,019,159.45x = 4,075,690,317,597.18
  5. Step 5: Solve for x
    x = 4,075,690,317,597.18/2,019,159.45
  6. Step 6: Final answer
    x = 2,018,508.40

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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.