Home / 1,567,697.40-2,348,046.90-1,209,904.20

Finding the Fourth Proportional to 1,567,697.40, 2,348,046.90 and 1,209,904.20

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Solution

The fourth proportional to 1,567,697.40, 2,348,046.90 and 1,209,904.20 is: 1,812,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,697.40 : 2,348,046.90 = 1,209,904.20 : x
  2. Step 2: Convert to fraction form
    1,567,697.40/2,348,046.90 = 1,209,904.20/x
  3. Step 3: Cross multiply
    1,567,697.40x = 2,348,046.90 × 1,209,904.20
  4. Step 4: Simplify right side
    1,567,697.40x = 2,840,911,806,106.98
  5. Step 5: Solve for x
    x = 2,840,911,806,106.98/1,567,697.40
  6. Step 6: Final answer
    x = 1,812,155.72

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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.