Finding the Fourth Proportional to 1,678,898.25, 2,316,645.90 and 943,748.60
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Solution
The fourth proportional to 1,678,898.25, 2,316,645.90 and 943,748.60 is: 1,302,241.70
Step by Step Solution
- Step 1: Write the proportion equation
1,678,898.25 : 2,316,645.90 = 943,748.60 : x - Step 2: Convert to fraction form
1,678,898.25/2,316,645.90 = 943,748.60/x - Step 3: Cross multiply
1,678,898.25x = 2,316,645.90 × 943,748.60 - Step 4: Simplify right side
1,678,898.25x = 2,186,331,313,237.51 - Step 5: Solve for x
x = 2,186,331,313,237.51/1,678,898.25 - Step 6: Final answer
x = 1,302,241.70
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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.