Home / 5,089,865.81-7,634,731.53-1,251,721.40

Finding the Fourth Proportional to 5,089,865.81, 7,634,731.53 and 1,251,721.40

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Solution

The fourth proportional to 5,089,865.81, 7,634,731.53 and 1,251,721.40 is: 1,877,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089,865.81 : 7,634,731.53 = 1,251,721.40 : x
  2. Step 2: Convert to fraction form
    5,089,865.81/7,634,731.53 = 1,251,721.40/x
  3. Step 3: Cross multiply
    5,089,865.81x = 7,634,731.53 × 1,251,721.40
  4. Step 4: Simplify right side
    5,089,865.81x = 9,556,556,839,355.74
  5. Step 5: Solve for x
    x = 9,556,556,839,355.74/5,089,865.81
  6. Step 6: Final answer
    x = 1,877,565.58

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Why These Related Problems?

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