Home / 1,427,782.40-2,137,526.40-1,386,310.40

Finding the Fourth Proportional to 1,427,782.40, 2,137,526.40 and 1,386,310.40

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Solution

The fourth proportional to 1,427,782.40, 2,137,526.40 and 1,386,310.40 is: 2,075,438.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,782.40 : 2,137,526.40 = 1,386,310.40 : x
  2. Step 2: Convert to fraction form
    1,427,782.40/2,137,526.40 = 1,386,310.40/x
  3. Step 3: Cross multiply
    1,427,782.40x = 2,137,526.40 × 1,386,310.40
  4. Step 4: Simplify right side
    1,427,782.40x = 2,963,275,078,594.56
  5. Step 5: Solve for x
    x = 2,963,275,078,594.56/1,427,782.40
  6. Step 6: Final answer
    x = 2,075,438.86

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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.