Home / 2,872,530.64-4,308,943.58-742,633.21

Finding the Fourth Proportional to 2,872,530.64, 4,308,943.58 and 742,633.21

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Solution

The fourth proportional to 2,872,530.64, 4,308,943.58 and 742,633.21 is: 1,113,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,530.64 : 4,308,943.58 = 742,633.21 : x
  2. Step 2: Convert to fraction form
    2,872,530.64/4,308,943.58 = 742,633.21/x
  3. Step 3: Cross multiply
    2,872,530.64x = 4,308,943.58 × 742,633.21
  4. Step 4: Simplify right side
    2,872,530.64x = 3,199,964,611,159.49
  5. Step 5: Solve for x
    x = 3,199,964,611,159.49/2,872,530.64
  6. Step 6: Final answer
    x = 1,113,987.98

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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.