Finding the Fourth Proportional to 5,199,437.84, 7,175,089.68 and 2,876,270
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Solution
The fourth proportional to 5,199,437.84, 7,175,089.68 and 2,876,270 is: 3,969,178.17
Step by Step Solution
- Step 1: Write the proportion equation
5,199,437.84 : 7,175,089.68 = 2,876,270 : x - Step 2: Convert to fraction form
5,199,437.84/7,175,089.68 = 2,876,270/x - Step 3: Cross multiply
5,199,437.84x = 7,175,089.68 × 2,876,270 - Step 4: Simplify right side
5,199,437.84x = 20,637,495,193,893.60 - Step 5: Solve for x
x = 20,637,495,193,893.60/5,199,437.84 - Step 6: Final answer
x = 3,969,178.17
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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.