Home / 2,565,402.40-3,540,255.65-1,403,848.90

Finding the Fourth Proportional to 2,565,402.40, 3,540,255.65 and 1,403,848.90

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Solution

The fourth proportional to 2,565,402.40, 3,540,255.65 and 1,403,848.90 is: 1,937,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565,402.40 : 3,540,255.65 = 1,403,848.90 : x
  2. Step 2: Convert to fraction form
    2,565,402.40/3,540,255.65 = 1,403,848.90/x
  3. Step 3: Cross multiply
    2,565,402.40x = 3,540,255.65 × 1,403,848.90
  4. Step 4: Simplify right side
    2,565,402.40x = 4,969,983,999,971.28
  5. Step 5: Solve for x
    x = 4,969,983,999,971.28/2,565,402.40
  6. Step 6: Final answer
    x = 1,937,311.67

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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.