Home / 2,075,821.80-3,113,732.70-1,176,916.20

Finding the Fourth Proportional to 2,075,821.80, 3,113,732.70 and 1,176,916.20

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Solution

The fourth proportional to 2,075,821.80, 3,113,732.70 and 1,176,916.20 is: 1,765,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,821.80 : 3,113,732.70 = 1,176,916.20 : x
  2. Step 2: Convert to fraction form
    2,075,821.80/3,113,732.70 = 1,176,916.20/x
  3. Step 3: Cross multiply
    2,075,821.80x = 3,113,732.70 × 1,176,916.20
  4. Step 4: Simplify right side
    2,075,821.80x = 3,664,602,457,099.74
  5. Step 5: Solve for x
    x = 3,664,602,457,099.74/2,075,821.80
  6. Step 6: Final answer
    x = 1,765,374.30

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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.