Home / 3,020,108.32-4,167,695.58-1,643,405.08

Finding the Fourth Proportional to 3,020,108.32, 4,167,695.58 and 1,643,405.08

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Solution

The fourth proportional to 3,020,108.32, 4,167,695.58 and 1,643,405.08 is: 2,267,869.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,108.32 : 4,167,695.58 = 1,643,405.08 : x
  2. Step 2: Convert to fraction form
    3,020,108.32/4,167,695.58 = 1,643,405.08/x
  3. Step 3: Cross multiply
    3,020,108.32x = 4,167,695.58 × 1,643,405.08
  4. Step 4: Simplify right side
    3,020,108.32x = 6,849,212,088,065.55
  5. Step 5: Solve for x
    x = 6,849,212,088,065.55/3,020,108.32
  6. Step 6: Final answer
    x = 2,267,869.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.