Finding the Fourth Proportional to 1,896,666.41, 2,617,638.75 and 1,243,841.44
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Solution
The fourth proportional to 1,896,666.41, 2,617,638.75 and 1,243,841.44 is: 1,716,658.00
Step by Step Solution
- Step 1: Write the proportion equation
1,896,666.41 : 2,617,638.75 = 1,243,841.44 : x - Step 2: Convert to fraction form
1,896,666.41/2,617,638.75 = 1,243,841.44/x - Step 3: Cross multiply
1,896,666.41x = 2,617,638.75 × 1,243,841.44 - Step 4: Simplify right side
1,896,666.41x = 3,255,927,561,424.31 - Step 5: Solve for x
x = 3,255,927,561,424.31/1,896,666.41 - Step 6: Final answer
x = 1,716,658.00
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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.