Finding the Fourth Proportional to 6,448,031.12, 8,898,269.61 and 3,547,415.12
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Solution
The fourth proportional to 6,448,031.12, 8,898,269.61 and 3,547,415.12 is: 4,895,425.52
Step by Step Solution
- Step 1: Write the proportion equation
6,448,031.12 : 8,898,269.61 = 3,547,415.12 : x - Step 2: Convert to fraction form
6,448,031.12/8,898,269.61 = 3,547,415.12/x - Step 3: Cross multiply
6,448,031.12x = 8,898,269.61 × 3,547,415.12 - Step 4: Simplify right side
6,448,031.12x = 31,565,856,125,161.96 - Step 5: Solve for x
x = 31,565,856,125,161.96/6,448,031.12 - Step 6: Final answer
x = 4,895,425.52
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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.