Home / 1,909,416.72-2,634,814.80-1,134,985.44

Finding the Fourth Proportional to 1,909,416.72, 2,634,814.80 and 1,134,985.44

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Solution

The fourth proportional to 1,909,416.72, 2,634,814.80 and 1,134,985.44 is: 1,566,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,416.72 : 2,634,814.80 = 1,134,985.44 : x
  2. Step 2: Convert to fraction form
    1,909,416.72/2,634,814.80 = 1,134,985.44/x
  3. Step 3: Cross multiply
    1,909,416.72x = 2,634,814.80 × 1,134,985.44
  4. Step 4: Simplify right side
    1,909,416.72x = 2,990,476,435,096.51
  5. Step 5: Solve for x
    x = 2,990,476,435,096.51/1,909,416.72
  6. Step 6: Final answer
    x = 1,566,172.75

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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.