Home / 1,919,041.99-2,646,118.97-1,569,090.56

Finding the Fourth Proportional to 1,919,041.99, 2,646,118.97 and 1,569,090.56

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Solution

The fourth proportional to 1,919,041.99, 2,646,118.97 and 1,569,090.56 is: 2,163,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,041.99 : 2,646,118.97 = 1,569,090.56 : x
  2. Step 2: Convert to fraction form
    1,919,041.99/2,646,118.97 = 1,569,090.56/x
  3. Step 3: Cross multiply
    1,919,041.99x = 2,646,118.97 × 1,569,090.56
  4. Step 4: Simplify right side
    1,919,041.99x = 4,152,000,281,271.97
  5. Step 5: Solve for x
    x = 4,152,000,281,271.97/1,919,041.99
  6. Step 6: Final answer
    x = 2,163,579.69

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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.