Finding the Fourth Proportional to 4,558,132.80, 6,292,160.12 and 2,840,102.16
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Solution
The fourth proportional to 4,558,132.80, 6,292,160.12 and 2,840,102.16 is: 3,920,547.81
Step by Step Solution
- Step 1: Write the proportion equation
4,558,132.80 : 6,292,160.12 = 2,840,102.16 : x - Step 2: Convert to fraction form
4,558,132.80/6,292,160.12 = 2,840,102.16/x - Step 3: Cross multiply
4,558,132.80x = 6,292,160.12 × 2,840,102.16 - Step 4: Simplify right side
4,558,132.80x = 17,870,377,547,877.86 - Step 5: Solve for x
x = 17,870,377,547,877.86/4,558,132.80 - Step 6: Final answer
x = 3,920,547.81
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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.