Home / 2,078,417.20-3,117,625.80-1,364,580.40

Finding the Fourth Proportional to 2,078,417.20, 3,117,625.80 and 1,364,580.40

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Solution

The fourth proportional to 2,078,417.20, 3,117,625.80 and 1,364,580.40 is: 2,046,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,417.20 : 3,117,625.80 = 1,364,580.40 : x
  2. Step 2: Convert to fraction form
    2,078,417.20/3,117,625.80 = 1,364,580.40/x
  3. Step 3: Cross multiply
    2,078,417.20x = 3,117,625.80 × 1,364,580.40
  4. Step 4: Simplify right side
    2,078,417.20x = 4,254,251,061,214.32
  5. Step 5: Solve for x
    x = 4,254,251,061,214.32/2,078,417.20
  6. Step 6: Final answer
    x = 2,046,870.60

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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.