Home / 4,050,139.20-6,075,280.80-1,210,286.40

Finding the Fourth Proportional to 4,050,139.20, 6,075,280.80 and 1,210,286.40

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Solution

The fourth proportional to 4,050,139.20, 6,075,280.80 and 1,210,286.40 is: 1,815,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,050,139.20 : 6,075,280.80 = 1,210,286.40 : x
  2. Step 2: Convert to fraction form
    4,050,139.20/6,075,280.80 = 1,210,286.40/x
  3. Step 3: Cross multiply
    4,050,139.20x = 6,075,280.80 × 1,210,286.40
  4. Step 4: Simplify right side
    4,050,139.20x = 7,352,829,728,421.12
  5. Step 5: Solve for x
    x = 7,352,829,728,421.12/4,050,139.20
  6. Step 6: Final answer
    x = 1,815,451.12

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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.