Finding the Fourth Proportional to 1,681,458.06, 2,320,468.14 and 917,553.54
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Solution
The fourth proportional to 1,681,458.06, 2,320,468.14 and 917,553.54 is: 1,266,254.45
Step by Step Solution
- Step 1: Write the proportion equation
1,681,458.06 : 2,320,468.14 = 917,553.54 : x - Step 2: Convert to fraction form
1,681,458.06/2,320,468.14 = 917,553.54/x - Step 3: Cross multiply
1,681,458.06x = 2,320,468.14 × 917,553.54 - Step 4: Simplify right side
1,681,458.06x = 2,129,153,756,314.22 - Step 5: Solve for x
x = 2,129,153,756,314.22/1,681,458.06 - Step 6: Final answer
x = 1,266,254.45
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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.