Home / 1,869,782.40-2,579,680.08-1,053,885.60

Finding the Fourth Proportional to 1,869,782.40, 2,579,680.08 and 1,053,885.60

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Solution

The fourth proportional to 1,869,782.40, 2,579,680.08 and 1,053,885.60 is: 1,454,012.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,782.40 : 2,579,680.08 = 1,053,885.60 : x
  2. Step 2: Convert to fraction form
    1,869,782.40/2,579,680.08 = 1,053,885.60/x
  3. Step 3: Cross multiply
    1,869,782.40x = 2,579,680.08 × 1,053,885.60
  4. Step 4: Simplify right side
    1,869,782.40x = 2,718,687,688,918.85
  5. Step 5: Solve for x
    x = 2,718,687,688,918.85/1,869,782.40
  6. Step 6: Final answer
    x = 1,454,012.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.