Finding the Fourth Proportional to 5,396,070.60, 7,446,263.64 and 2,948,701.70
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Solution
The fourth proportional to 5,396,070.60, 7,446,263.64 and 2,948,701.70 is: 4,069,036.88
Step by Step Solution
- Step 1: Write the proportion equation
5,396,070.60 : 7,446,263.64 = 2,948,701.70 : x - Step 2: Convert to fraction form
5,396,070.60/7,446,263.64 = 2,948,701.70/x - Step 3: Cross multiply
5,396,070.60x = 7,446,263.64 × 2,948,701.70 - Step 4: Simplify right side
5,396,070.60x = 21,956,810,253,916.19 - Step 5: Solve for x
x = 21,956,810,253,916.19/5,396,070.60 - Step 6: Final answer
x = 4,069,036.88
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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.