Finding the Fourth Proportional to 5,690,372.31, 7,843,495.68 and 4,447,818.54
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Solution
The fourth proportional to 5,690,372.31, 7,843,495.68 and 4,447,818.54 is: 6,130,784.35
Step by Step Solution
- Step 1: Write the proportion equation
5,690,372.31 : 7,843,495.68 = 4,447,818.54 : x - Step 2: Convert to fraction form
5,690,372.31/7,843,495.68 = 4,447,818.54/x - Step 3: Cross multiply
5,690,372.31x = 7,843,495.68 × 4,447,818.54 - Step 4: Simplify right side
5,690,372.31x = 34,886,445,503,913.91 - Step 5: Solve for x
x = 34,886,445,503,913.91/5,690,372.31 - Step 6: Final answer
x = 6,130,784.35
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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.