Finding the Fourth Proportional to 1,788,278.40, 2,683,079.52 and 651,130.56
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Solution
The fourth proportional to 1,788,278.40, 2,683,079.52 and 651,130.56 is: 976,936.85
Step by Step Solution
- Step 1: Write the proportion equation
1,788,278.40 : 2,683,079.52 = 651,130.56 : x - Step 2: Convert to fraction form
1,788,278.40/2,683,079.52 = 651,130.56/x - Step 3: Cross multiply
1,788,278.40x = 2,683,079.52 × 651,130.56 - Step 4: Simplify right side
1,788,278.40x = 1,747,035,070,382.13 - Step 5: Solve for x
x = 1,747,035,070,382.13/1,788,278.40 - Step 6: Final answer
x = 976,936.85
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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.