Finding the Fourth Proportional to 1,802,946.87, 2,487,971.97 and 986,994.18
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Solution
The fourth proportional to 1,802,946.87, 2,487,971.97 and 986,994.18 is: 1,362,000.12
Step by Step Solution
- Step 1: Write the proportion equation
1,802,946.87 : 2,487,971.97 = 986,994.18 : x - Step 2: Convert to fraction form
1,802,946.87/2,487,971.97 = 986,994.18/x - Step 3: Cross multiply
1,802,946.87x = 2,487,971.97 × 986,994.18 - Step 4: Simplify right side
1,802,946.87x = 2,455,613,854,393.13 - Step 5: Solve for x
x = 2,455,613,854,393.13/1,802,946.87 - Step 6: Final answer
x = 1,362,000.12
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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.