Home / 3,427,119.10-4,729,476.08-1,878,368.39

Finding the Fourth Proportional to 3,427,119.10, 4,729,476.08 and 1,878,368.39

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Solution

The fourth proportional to 3,427,119.10, 4,729,476.08 and 1,878,368.39 is: 2,592,176.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,119.10 : 4,729,476.08 = 1,878,368.39 : x
  2. Step 2: Convert to fraction form
    3,427,119.10/4,729,476.08 = 1,878,368.39/x
  3. Step 3: Cross multiply
    3,427,119.10x = 4,729,476.08 × 1,878,368.39
  4. Step 4: Simplify right side
    3,427,119.10x = 8,883,698,336,893.89
  5. Step 5: Solve for x
    x = 8,883,698,336,893.89/3,427,119.10
  6. Step 6: Final answer
    x = 2,592,176.72

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1.5x scale

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.