Finding the Fourth Proportional to 6,878,946, 10,317,267.12 and 2,085,489.12
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Solution
The fourth proportional to 6,878,946, 10,317,267.12 and 2,085,489.12 is: 3,127,884.46
Step by Step Solution
- Step 1: Write the proportion equation
6,878,946 : 10,317,267.12 = 2,085,489.12 : x - Step 2: Convert to fraction form
6,878,946/10,317,267.12 = 2,085,489.12/x - Step 3: Cross multiply
6,878,946x = 10,317,267.12 × 2,085,489.12 - Step 4: Simplify right side
6,878,946x = 21,516,548,326,893.73 - Step 5: Solve for x
x = 21,516,548,326,893.73/6,878,946 - Step 6: Final answer
x = 3,127,884.46
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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.