Finding the Fourth Proportional to 5,342,587.29, 8,013,768.55 and 1,299,095.84
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Solution
The fourth proportional to 5,342,587.29, 8,013,768.55 and 1,299,095.84 is: 1,948,616.44
Step by Step Solution
- Step 1: Write the proportion equation
5,342,587.29 : 8,013,768.55 = 1,299,095.84 : x - Step 2: Convert to fraction form
5,342,587.29/8,013,768.55 = 1,299,095.84/x - Step 3: Cross multiply
5,342,587.29x = 8,013,768.55 × 1,299,095.84 - Step 4: Simplify right side
5,342,587.29x = 10,410,653,402,814.51 - Step 5: Solve for x
x = 10,410,653,402,814.51/5,342,587.29 - Step 6: Final answer
x = 1,948,616.44
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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.