Finding the Fourth Proportional to 2,660,058.19, 3,990,648.48 and 862,802.11
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Solution
The fourth proportional to 2,660,058.19, 3,990,648.48 and 862,802.11 is: 1,294,385.19
Step by Step Solution
- Step 1: Write the proportion equation
2,660,058.19 : 3,990,648.48 = 862,802.11 : x - Step 2: Convert to fraction form
2,660,058.19/3,990,648.48 = 862,802.11/x - Step 3: Cross multiply
2,660,058.19x = 3,990,648.48 × 862,802.11 - Step 4: Simplify right side
2,660,058.19x = 3,443,139,928,812.29 - Step 5: Solve for x
x = 3,443,139,928,812.29/2,660,058.19 - Step 6: Final answer
x = 1,294,385.19
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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.