Finding the Fourth Proportional to 1,668,619.41, 2,302,740.12 and 943,575.60
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Solution
The fourth proportional to 1,668,619.41, 2,302,740.12 and 943,575.60 is: 1,302,159.96
Step by Step Solution
- Step 1: Write the proportion equation
1,668,619.41 : 2,302,740.12 = 943,575.60 : x - Step 2: Convert to fraction form
1,668,619.41/2,302,740.12 = 943,575.60/x - Step 3: Cross multiply
1,668,619.41x = 2,302,740.12 × 943,575.60 - Step 4: Simplify right side
1,668,619.41x = 2,172,809,390,373.07 - Step 5: Solve for x
x = 2,172,809,390,373.07/1,668,619.41 - Step 6: Final answer
x = 1,302,159.96
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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.