Finding the Fourth Proportional to 4,787,688.98, 6,599,292.62 and 3,238,385.64
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Solution
The fourth proportional to 4,787,688.98, 6,599,292.62 and 3,238,385.64 is: 4,463,751.62
Step by Step Solution
- Step 1: Write the proportion equation
4,787,688.98 : 6,599,292.62 = 3,238,385.64 : x - Step 2: Convert to fraction form
4,787,688.98/6,599,292.62 = 3,238,385.64/x - Step 3: Cross multiply
4,787,688.98x = 6,599,292.62 × 3,238,385.64 - Step 4: Simplify right side
4,787,688.98x = 21,371,054,454,765.98 - Step 5: Solve for x
x = 21,371,054,454,765.98/4,787,688.98 - Step 6: Final answer
x = 4,463,751.62
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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.