Home / 2,146,848.80-2,962,931.64-1,385,118.32

Finding the Fourth Proportional to 2,146,848.80, 2,962,931.64 and 1,385,118.32

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Solution

The fourth proportional to 2,146,848.80, 2,962,931.64 and 1,385,118.32 is: 1,911,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,848.80 : 2,962,931.64 = 1,385,118.32 : x
  2. Step 2: Convert to fraction form
    2,146,848.80/2,962,931.64 = 1,385,118.32/x
  3. Step 3: Cross multiply
    2,146,848.80x = 2,962,931.64 × 1,385,118.32
  4. Step 4: Simplify right side
    2,146,848.80x = 4,104,010,895,471.65
  5. Step 5: Solve for x
    x = 4,104,010,895,471.65/2,146,848.80
  6. Step 6: Final answer
    x = 1,911,644.12

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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.