Home / 2,048,801.40-3,075,729.30-1,290,641.40

Finding the Fourth Proportional to 2,048,801.40, 3,075,729.30 and 1,290,641.40

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Solution

The fourth proportional to 2,048,801.40, 3,075,729.30 and 1,290,641.40 is: 1,937,554.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048,801.40 : 3,075,729.30 = 1,290,641.40 : x
  2. Step 2: Convert to fraction form
    2,048,801.40/3,075,729.30 = 1,290,641.40/x
  3. Step 3: Cross multiply
    2,048,801.40x = 3,075,729.30 × 1,290,641.40
  4. Step 4: Simplify right side
    2,048,801.40x = 3,969,663,569,773.02
  5. Step 5: Solve for x
    x = 3,969,663,569,773.02/2,048,801.40
  6. Step 6: Final answer
    x = 1,937,554.11

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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.