Home / 2,019,153.45-3,030,206.40-1,345,010.70

Finding the Fourth Proportional to 2,019,153.45, 3,030,206.40 and 1,345,010.70

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Solution

The fourth proportional to 2,019,153.45, 3,030,206.40 and 1,345,010.70 is: 2,018,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,153.45 : 3,030,206.40 = 1,345,010.70 : x
  2. Step 2: Convert to fraction form
    2,019,153.45/3,030,206.40 = 1,345,010.70/x
  3. Step 3: Cross multiply
    2,019,153.45x = 3,030,206.40 × 1,345,010.70
  4. Step 4: Simplify right side
    2,019,153.45x = 4,075,660,031,208.48
  5. Step 5: Solve for x
    x = 4,075,660,031,208.48/2,019,153.45
  6. Step 6: Final answer
    x = 2,018,499.40

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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.