Home / 2,688,075.14-4,022,637.53-1,677,670.20

Finding the Fourth Proportional to 2,688,075.14, 4,022,637.53 and 1,677,670.20

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Solution

The fourth proportional to 2,688,075.14, 4,022,637.53 and 1,677,670.20 is: 2,510,591.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,075.14 : 4,022,637.53 = 1,677,670.20 : x
  2. Step 2: Convert to fraction form
    2,688,075.14/4,022,637.53 = 1,677,670.20/x
  3. Step 3: Cross multiply
    2,688,075.14x = 4,022,637.53 × 1,677,670.20
  4. Step 4: Simplify right side
    2,688,075.14x = 6,748,659,101,094.26
  5. Step 5: Solve for x
    x = 6,748,659,101,094.26/2,688,075.14
  6. Step 6: Final answer
    x = 2,510,591.69

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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.