Home / 1,803,871.02-2,489,377.74-988,074.66

Finding the Fourth Proportional to 1,803,871.02, 2,489,377.74 and 988,074.66

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Solution

The fourth proportional to 1,803,871.02, 2,489,377.74 and 988,074.66 is: 1,363,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,871.02 : 2,489,377.74 = 988,074.66 : x
  2. Step 2: Convert to fraction form
    1,803,871.02/2,489,377.74 = 988,074.66/x
  3. Step 3: Cross multiply
    1,803,871.02x = 2,489,377.74 × 988,074.66
  4. Step 4: Simplify right side
    1,803,871.02x = 2,459,691,064,062.07
  5. Step 5: Solve for x
    x = 2,459,691,064,062.07/1,803,871.02
  6. Step 6: Final answer
    x = 1,363,562.60

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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.