Finding the Fourth Proportional to 4,854,444.54, 6,699,119.70 and 2,678,972.13
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Solution
The fourth proportional to 4,854,444.54, 6,699,119.70 and 2,678,972.13 is: 3,696,973.94
Step by Step Solution
- Step 1: Write the proportion equation
4,854,444.54 : 6,699,119.70 = 2,678,972.13 : x - Step 2: Convert to fraction form
4,854,444.54/6,699,119.70 = 2,678,972.13/x - Step 3: Cross multiply
4,854,444.54x = 6,699,119.70 × 2,678,972.13 - Step 4: Simplify right side
4,854,444.54x = 17,946,754,971,833.96 - Step 5: Solve for x
x = 17,946,754,971,833.96/4,854,444.54 - Step 6: Final answer
x = 3,696,973.94
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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.