Home / 3,985,994-5,978,934.84-1,854,886.16

Finding the Fourth Proportional to 3,985,994, 5,978,934.84 and 1,854,886.16

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Solution

The fourth proportional to 3,985,994, 5,978,934.84 and 1,854,886.16 is: 2,782,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,994 : 5,978,934.84 = 1,854,886.16 : x
  2. Step 2: Convert to fraction form
    3,985,994/5,978,934.84 = 1,854,886.16/x
  3. Step 3: Cross multiply
    3,985,994x = 5,978,934.84 × 1,854,886.16
  4. Step 4: Simplify right side
    3,985,994x = 11,090,243,486,257.81
  5. Step 5: Solve for x
    x = 11,090,243,486,257.81/3,985,994
  6. Step 6: Final answer
    x = 2,782,303.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.