Finding the Fourth Proportional to 1,668,511.84, 2,302,454.10 and 943,313.56
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Solution
The fourth proportional to 1,668,511.84, 2,302,454.10 and 943,313.56 is: 1,301,720.56
Step by Step Solution
- Step 1: Write the proportion equation
1,668,511.84 : 2,302,454.10 = 943,313.56 : x - Step 2: Convert to fraction form
1,668,511.84/2,302,454.10 = 943,313.56/x - Step 3: Cross multiply
1,668,511.84x = 2,302,454.10 × 943,313.56 - Step 4: Simplify right side
1,668,511.84x = 2,171,936,173,807.60 - Step 5: Solve for x
x = 2,171,936,173,807.60/1,668,511.84 - Step 6: Final answer
x = 1,301,720.56
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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.