Home / 1,564,254.81-2,157,556.50-1,435,607.96

Finding the Fourth Proportional to 1,564,254.81, 2,157,556.50 and 1,435,607.96

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Solution

The fourth proportional to 1,564,254.81, 2,157,556.50 and 1,435,607.96 is: 1,980,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,254.81 : 2,157,556.50 = 1,435,607.96 : x
  2. Step 2: Convert to fraction form
    1,564,254.81/2,157,556.50 = 1,435,607.96/x
  3. Step 3: Cross multiply
    1,564,254.81x = 2,157,556.50 × 1,435,607.96
  4. Step 4: Simplify right side
    1,564,254.81x = 3,097,405,274,761.96
  5. Step 5: Solve for x
    x = 3,097,405,274,761.96/1,564,254.81
  6. Step 6: Final answer
    x = 1,980,115.55

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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.