Finding the Fourth Proportional to 2,787,438.08, 3,848,313.48 and 1,755,830.18
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Solution
The fourth proportional to 2,787,438.08, 3,848,313.48 and 1,755,830.18 is: 2,424,084.32
Step by Step Solution
- Step 1: Write the proportion equation
2,787,438.08 : 3,848,313.48 = 1,755,830.18 : x - Step 2: Convert to fraction form
2,787,438.08/3,848,313.48 = 1,755,830.18/x - Step 3: Cross multiply
2,787,438.08x = 3,848,313.48 × 1,755,830.18 - Step 4: Simplify right side
2,787,438.08x = 6,756,984,950,284.83 - Step 5: Solve for x
x = 6,756,984,950,284.83/2,787,438.08 - Step 6: Final answer
x = 2,424,084.32
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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.