Finding the Fourth Proportional to 1,509,570.75, 2,083,207.64 and 830,492.67
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Solution
The fourth proportional to 1,509,570.75, 2,083,207.64 and 830,492.67 is: 1,146,079.88
Step by Step Solution
- Step 1: Write the proportion equation
1,509,570.75 : 2,083,207.64 = 830,492.67 : x - Step 2: Convert to fraction form
1,509,570.75/2,083,207.64 = 830,492.67/x - Step 3: Cross multiply
1,509,570.75x = 2,083,207.64 × 830,492.67 - Step 4: Simplify right side
1,509,570.75x = 1,730,088,670,955.54 - Step 5: Solve for x
x = 1,730,088,670,955.54/1,509,570.75 - Step 6: Final answer
x = 1,146,079.88
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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.