Finding the Fourth Proportional to 2,860,511.85, 3,947,488.17 and 1,553,750.49
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Solution
The fourth proportional to 2,860,511.85, 3,947,488.17 and 1,553,750.49 is: 2,144,165.80
Step by Step Solution
- Step 1: Write the proportion equation
2,860,511.85 : 3,947,488.17 = 1,553,750.49 : x - Step 2: Convert to fraction form
2,860,511.85/3,947,488.17 = 1,553,750.49/x - Step 3: Cross multiply
2,860,511.85x = 3,947,488.17 × 1,553,750.49 - Step 4: Simplify right side
2,860,511.85x = 6,133,411,678,406.70 - Step 5: Solve for x
x = 6,133,411,678,406.70/2,860,511.85 - Step 6: Final answer
x = 2,144,165.80
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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.