Home / 2,564,643.20-3,848,347.20-1,068,886.40

Finding the Fourth Proportional to 2,564,643.20, 3,848,347.20 and 1,068,886.40

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Solution

The fourth proportional to 2,564,643.20, 3,848,347.20 and 1,068,886.40 is: 1,603,905.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564,643.20 : 3,848,347.20 = 1,068,886.40 : x
  2. Step 2: Convert to fraction form
    2,564,643.20/3,848,347.20 = 1,068,886.40/x
  3. Step 3: Cross multiply
    2,564,643.20x = 3,848,347.20 × 1,068,886.40
  4. Step 4: Simplify right side
    2,564,643.20x = 4,113,445,984,558.08
  5. Step 5: Solve for x
    x = 4,113,445,984,558.08/2,564,643.20
  6. Step 6: Final answer
    x = 1,603,905.75

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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.