Finding the Fourth Proportional to 1,681,425.14, 2,320,683.08 and 1,053,059.94
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Solution
The fourth proportional to 1,681,425.14, 2,320,683.08 and 1,053,059.94 is: 1,453,420.87
Step by Step Solution
- Step 1: Write the proportion equation
1,681,425.14 : 2,320,683.08 = 1,053,059.94 : x - Step 2: Convert to fraction form
1,681,425.14/2,320,683.08 = 1,053,059.94/x - Step 3: Cross multiply
1,681,425.14x = 2,320,683.08 × 1,053,059.94 - Step 4: Simplify right side
1,681,425.14x = 2,443,818,379,718.52 - Step 5: Solve for x
x = 2,443,818,379,718.52/1,681,425.14 - Step 6: Final answer
x = 1,453,420.87
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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.