Finding the Fourth Proportional to 4,781,115.05, 6,597,746.20 and 2,605,611.38
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Solution
The fourth proportional to 4,781,115.05, 6,597,746.20 and 2,605,611.38 is: 3,595,638.76
Step by Step Solution
- Step 1: Write the proportion equation
4,781,115.05 : 6,597,746.20 = 2,605,611.38 : x - Step 2: Convert to fraction form
4,781,115.05/6,597,746.20 = 2,605,611.38/x - Step 3: Cross multiply
4,781,115.05x = 6,597,746.20 × 2,605,611.38 - Step 4: Simplify right side
4,781,115.05x = 17,191,162,581,071.76 - Step 5: Solve for x
x = 17,191,162,581,071.76/4,781,115.05 - Step 6: Final answer
x = 3,595,638.76
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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.