Finding the Fourth Proportional to 7,260,569.64, 10,889,799.48 and 2,142,749.88
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Solution
The fourth proportional to 7,260,569.64, 10,889,799.48 and 2,142,749.88 is: 3,213,813.47
Step by Step Solution
- Step 1: Write the proportion equation
7,260,569.64 : 10,889,799.48 = 2,142,749.88 : x - Step 2: Convert to fraction form
7,260,569.64/10,889,799.48 = 2,142,749.88/x - Step 3: Cross multiply
7,260,569.64x = 10,889,799.48 × 2,142,749.88 - Step 4: Simplify right side
7,260,569.64x = 23,334,116,528,994.06 - Step 5: Solve for x
x = 23,334,116,528,994.06/7,260,569.64 - Step 6: Final answer
x = 3,213,813.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.