Home / 2,767,142.15-3,818,491.74-1,605,498.41

Finding the Fourth Proportional to 2,767,142.15, 3,818,491.74 and 1,605,498.41

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Solution

The fourth proportional to 2,767,142.15, 3,818,491.74 and 1,605,498.41 is: 2,215,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,142.15 : 3,818,491.74 = 1,605,498.41 : x
  2. Step 2: Convert to fraction form
    2,767,142.15/3,818,491.74 = 1,605,498.41/x
  3. Step 3: Cross multiply
    2,767,142.15x = 3,818,491.74 × 1,605,498.41
  4. Step 4: Simplify right side
    2,767,142.15x = 6,130,582,398,075.68
  5. Step 5: Solve for x
    x = 6,130,582,398,075.68/2,767,142.15
  6. Step 6: Final answer
    x = 2,215,492.40

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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.