Home / 1,869,151.72-2,579,581.16-1,053,410.65

Finding the Fourth Proportional to 1,869,151.72, 2,579,581.16 and 1,053,410.65

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Solution

The fourth proportional to 1,869,151.72, 2,579,581.16 and 1,053,410.65 is: 1,453,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,151.72 : 2,579,581.16 = 1,053,410.65 : x
  2. Step 2: Convert to fraction form
    1,869,151.72/2,579,581.16 = 1,053,410.65/x
  3. Step 3: Cross multiply
    1,869,151.72x = 2,579,581.16 × 1,053,410.65
  4. Step 4: Simplify right side
    1,869,151.72x = 2,717,358,266,483.35
  5. Step 5: Solve for x
    x = 2,717,358,266,483.35/1,869,151.72
  6. Step 6: Final answer
    x = 1,453,792.24

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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.