Finding the Fourth Proportional to 1,849,782.98, 2,551,991.84 and 1,124,366.02
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Solution
The fourth proportional to 1,849,782.98, 2,551,991.84 and 1,124,366.02 is: 1,551,194.34
Step by Step Solution
- Step 1: Write the proportion equation
1,849,782.98 : 2,551,991.84 = 1,124,366.02 : x - Step 2: Convert to fraction form
1,849,782.98/2,551,991.84 = 1,124,366.02/x - Step 3: Cross multiply
1,849,782.98x = 2,551,991.84 × 1,124,366.02 - Step 4: Simplify right side
1,849,782.98x = 2,869,372,900,427.84 - Step 5: Solve for x
x = 2,869,372,900,427.84/1,849,782.98 - Step 6: Final answer
x = 1,551,194.34
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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.