Home / 2,075,231.68-3,111,914.40-2,009,913.28

Finding the Fourth Proportional to 2,075,231.68, 3,111,914.40 and 2,009,913.28

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Solution

The fourth proportional to 2,075,231.68, 3,111,914.40 and 2,009,913.28 is: 3,013,966.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,231.68 : 3,111,914.40 = 2,009,913.28 : x
  2. Step 2: Convert to fraction form
    2,075,231.68/3,111,914.40 = 2,009,913.28/x
  3. Step 3: Cross multiply
    2,075,231.68x = 3,111,914.40 × 2,009,913.28
  4. Step 4: Simplify right side
    2,075,231.68x = 6,254,678,078,783.23
  5. Step 5: Solve for x
    x = 6,254,678,078,783.23/2,075,231.68
  6. Step 6: Final answer
    x = 3,013,966.17

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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.