Home / 3,119,574.80-4,681,111.80-1,322,152.40

Finding the Fourth Proportional to 3,119,574.80, 4,681,111.80 and 1,322,152.40

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Solution

The fourth proportional to 3,119,574.80, 4,681,111.80 and 1,322,152.40 is: 1,983,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,574.80 : 4,681,111.80 = 1,322,152.40 : x
  2. Step 2: Convert to fraction form
    3,119,574.80/4,681,111.80 = 1,322,152.40/x
  3. Step 3: Cross multiply
    3,119,574.80x = 4,681,111.80 × 1,322,152.40
  4. Step 4: Simplify right side
    3,119,574.80x = 6,189,143,201,038.32
  5. Step 5: Solve for x
    x = 6,189,143,201,038.32/3,119,574.80
  6. Step 6: Final answer
    x = 1,983,970.12

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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.