Home / 1,931,741.40-2,898,000.90-1,618,368.60

Finding the Fourth Proportional to 1,931,741.40, 2,898,000.90 and 1,618,368.60

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Solution

The fourth proportional to 1,931,741.40, 2,898,000.90 and 1,618,368.60 is: 2,427,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,741.40 : 2,898,000.90 = 1,618,368.60 : x
  2. Step 2: Convert to fraction form
    1,931,741.40/2,898,000.90 = 1,618,368.60/x
  3. Step 3: Cross multiply
    1,931,741.40x = 2,898,000.90 × 1,618,368.60
  4. Step 4: Simplify right side
    1,931,741.40x = 4,690,033,659,331.74
  5. Step 5: Solve for x
    x = 4,690,033,659,331.74/1,931,741.40
  6. Step 6: Final answer
    x = 2,427,878.63

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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.