Finding the Fourth Proportional to 4,854,989.62, 6,699,852.69 and 2,679,532.74
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Solution
The fourth proportional to 4,854,989.62, 6,699,852.69 and 2,679,532.74 is: 3,697,736.98
Step by Step Solution
- Step 1: Write the proportion equation
4,854,989.62 : 6,699,852.69 = 2,679,532.74 : x - Step 2: Convert to fraction form
4,854,989.62/6,699,852.69 = 2,679,532.74/x - Step 3: Cross multiply
4,854,989.62x = 6,699,852.69 × 2,679,532.74 - Step 4: Simplify right side
4,854,989.62x = 17,952,474,636,032.07 - Step 5: Solve for x
x = 17,952,474,636,032.07/4,854,989.62 - Step 6: Final answer
x = 3,697,736.98
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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.