Home / 4,345,449.20-6,518,141.40-1,312,809.20

Finding the Fourth Proportional to 4,345,449.20, 6,518,141.40 and 1,312,809.20

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Solution

The fourth proportional to 4,345,449.20, 6,518,141.40 and 1,312,809.20 is: 1,969,204.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345,449.20 : 6,518,141.40 = 1,312,809.20 : x
  2. Step 2: Convert to fraction form
    4,345,449.20/6,518,141.40 = 1,312,809.20/x
  3. Step 3: Cross multiply
    4,345,449.20x = 6,518,141.40 × 1,312,809.20
  4. Step 4: Simplify right side
    4,345,449.20x = 8,557,075,996,820.88
  5. Step 5: Solve for x
    x = 8,557,075,996,820.88/4,345,449.20
  6. Step 6: Final answer
    x = 1,969,204.01

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1.5x scale

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.