Finding the Fourth Proportional to 3,929,990.18, 5,894,985.28 and 1,090,102.34
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Solution
The fourth proportional to 3,929,990.18, 5,894,985.28 and 1,090,102.34 is: 1,635,153.51
Step by Step Solution
- Step 1: Write the proportion equation
3,929,990.18 : 5,894,985.28 = 1,090,102.34 : x - Step 2: Convert to fraction form
3,929,990.18/5,894,985.28 = 1,090,102.34/x - Step 3: Cross multiply
3,929,990.18x = 5,894,985.28 × 1,090,102.34 - Step 4: Simplify right side
3,929,990.18x = 6,426,137,247,993.56 - Step 5: Solve for x
x = 6,426,137,247,993.56/3,929,990.18 - Step 6: Final answer
x = 1,635,153.51
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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.