Home / 1,564,268.47-2,157,575.29-1,435,621.64

Finding the Fourth Proportional to 1,564,268.47, 2,157,575.29 and 1,435,621.64

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Solution

The fourth proportional to 1,564,268.47, 2,157,575.29 and 1,435,621.64 is: 1,980,134.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,268.47 : 2,157,575.29 = 1,435,621.64 : x
  2. Step 2: Convert to fraction form
    1,564,268.47/2,157,575.29 = 1,435,621.64/x
  3. Step 3: Cross multiply
    1,564,268.47x = 2,157,575.29 × 1,435,621.64
  4. Step 4: Simplify right side
    1,564,268.47x = 3,097,461,761,876.35
  5. Step 5: Solve for x
    x = 3,097,461,761,876.35/1,564,268.47
  6. Step 6: Final answer
    x = 1,980,134.37

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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.