Finding the Fourth Proportional to 1,911,402.40, 2,637,433.12 and 1,095,448.96
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Solution
The fourth proportional to 1,911,402.40, 2,637,433.12 and 1,095,448.96 is: 1,511,546.37
Step by Step Solution
- Step 1: Write the proportion equation
1,911,402.40 : 2,637,433.12 = 1,095,448.96 : x - Step 2: Convert to fraction form
1,911,402.40/2,637,433.12 = 1,095,448.96/x - Step 3: Cross multiply
1,911,402.40x = 2,637,433.12 × 1,095,448.96 - Step 4: Simplify right side
1,911,402.40x = 2,889,173,368,373.56 - Step 5: Solve for x
x = 2,889,173,368,373.56/1,911,402.40 - Step 6: Final answer
x = 1,511,546.37
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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.