Finding the Fourth Proportional to 1,763,498.49, 2,433,596.40 and 989,130.99
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Solution
The fourth proportional to 1,763,498.49, 2,433,596.40 and 989,130.99 is: 1,364,983.10
Step by Step Solution
- Step 1: Write the proportion equation
1,763,498.49 : 2,433,596.40 = 989,130.99 : x - Step 2: Convert to fraction form
1,763,498.49/2,433,596.40 = 989,130.99/x - Step 3: Cross multiply
1,763,498.49x = 2,433,596.40 × 989,130.99 - Step 4: Simplify right side
1,763,498.49x = 2,407,145,625,518.42 - Step 5: Solve for x
x = 2,407,145,625,518.42/1,763,498.49 - Step 6: Final answer
x = 1,364,983.10
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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.