Finding the Fourth Proportional to 6,877,590.80, 10,316,386.20 and 3,476,368.40
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Solution
The fourth proportional to 6,877,590.80, 10,316,386.20 and 3,476,368.40 is: 5,214,552.60
Step by Step Solution
- Step 1: Write the proportion equation
6,877,590.80 : 10,316,386.20 = 3,476,368.40 : x - Step 2: Convert to fraction form
6,877,590.80/10,316,386.20 = 3,476,368.40/x - Step 3: Cross multiply
6,877,590.80x = 10,316,386.20 × 3,476,368.40 - Step 4: Simplify right side
6,877,590.80x = 35,863,558,987,876.08 - Step 5: Solve for x
x = 35,863,558,987,876.08/6,877,590.80 - Step 6: Final answer
x = 5,214,552.60
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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.