Finding the Fourth Proportional to 1,712,782.82, 2,363,529.45 and 938,412.60
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Solution
The fourth proportional to 1,712,782.82, 2,363,529.45 and 938,412.60 is: 1,294,948.66
Step by Step Solution
- Step 1: Write the proportion equation
1,712,782.82 : 2,363,529.45 = 938,412.60 : x - Step 2: Convert to fraction form
1,712,782.82/2,363,529.45 = 938,412.60/x - Step 3: Cross multiply
1,712,782.82x = 2,363,529.45 × 938,412.60 - Step 4: Simplify right side
1,712,782.82x = 2,217,965,816,351.07 - Step 5: Solve for x
x = 2,217,965,816,351.07/1,712,782.82 - Step 6: Final answer
x = 1,294,948.66
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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.