Home / 2,931,643.60-4,045,913.64-1,625,215.12

Finding the Fourth Proportional to 2,931,643.60, 4,045,913.64 and 1,625,215.12

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Solution

The fourth proportional to 2,931,643.60, 4,045,913.64 and 1,625,215.12 is: 2,242,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,643.60 : 4,045,913.64 = 1,625,215.12 : x
  2. Step 2: Convert to fraction form
    2,931,643.60/4,045,913.64 = 1,625,215.12/x
  3. Step 3: Cross multiply
    2,931,643.60x = 4,045,913.64 × 1,625,215.12
  4. Step 4: Simplify right side
    2,931,643.60x = 6,575,480,021,942.24
  5. Step 5: Solve for x
    x = 6,575,480,021,942.24/2,931,643.60
  6. Step 6: Final answer
    x = 2,242,932.95

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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.