Home / 1,415,862.40-1,987,184-1,415,862.40

Finding the Fourth Proportional to 1,415,862.40, 1,987,184 and 1,415,862.40

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Solution

The fourth proportional to 1,415,862.40, 1,987,184 and 1,415,862.40 is: 1,987,184.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,862.40 : 1,987,184 = 1,415,862.40 : x
  2. Step 2: Convert to fraction form
    1,415,862.40/1,987,184 = 1,415,862.40/x
  3. Step 3: Cross multiply
    1,415,862.40x = 1,987,184 × 1,415,862.40
  4. Step 4: Simplify right side
    1,415,862.40x = 2,813,579,107,481.60
  5. Step 5: Solve for x
    x = 2,813,579,107,481.60/1,415,862.40
  6. Step 6: Final answer
    x = 1,987,184.00

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.