Home / 1,919,037.89-2,648,285.10-1,047,878.64

Finding the Fourth Proportional to 1,919,037.89, 2,648,285.10 and 1,047,878.64

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Solution

The fourth proportional to 1,919,037.89, 2,648,285.10 and 1,047,878.64 is: 1,446,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,037.89 : 2,648,285.10 = 1,047,878.64 : x
  2. Step 2: Convert to fraction form
    1,919,037.89/2,648,285.10 = 1,047,878.64/x
  3. Step 3: Cross multiply
    1,919,037.89x = 2,648,285.10 × 1,047,878.64
  4. Step 4: Simplify right side
    1,919,037.89x = 2,775,081,388,920.26
  5. Step 5: Solve for x
    x = 2,775,081,388,920.26/1,919,037.89
  6. Step 6: Final answer
    x = 1,446,079.52

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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.