Finding the Fourth Proportional to 1,650,044.28, 2,475,772.23 and 690,724.05
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Solution
The fourth proportional to 1,650,044.28, 2,475,772.23 and 690,724.05 is: 1,036,381.53
Step by Step Solution
- Step 1: Write the proportion equation
1,650,044.28 : 2,475,772.23 = 690,724.05 : x - Step 2: Convert to fraction form
1,650,044.28/2,475,772.23 = 690,724.05/x - Step 3: Cross multiply
1,650,044.28x = 2,475,772.23 × 690,724.05 - Step 4: Simplify right side
1,650,044.28x = 1,710,075,421,583.13 - Step 5: Solve for x
x = 1,710,075,421,583.13/1,650,044.28 - Step 6: Final answer
x = 1,036,381.53
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1.5x scale
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.