Home / 2,089,256.59-2,882,281.80-1,443,555.78

Finding the Fourth Proportional to 2,089,256.59, 2,882,281.80 and 1,443,555.78

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Solution

The fourth proportional to 2,089,256.59, 2,882,281.80 and 1,443,555.78 is: 1,991,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,256.59 : 2,882,281.80 = 1,443,555.78 : x
  2. Step 2: Convert to fraction form
    2,089,256.59/2,882,281.80 = 1,443,555.78/x
  3. Step 3: Cross multiply
    2,089,256.59x = 2,882,281.80 × 1,443,555.78
  4. Step 4: Simplify right side
    2,089,256.59x = 4,160,734,537,567.39
  5. Step 5: Solve for x
    x = 4,160,734,537,567.39/2,089,256.59
  6. Step 6: Final answer
    x = 1,991,490.45

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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.