Finding the Fourth Proportional to 1,668,813.99, 2,303,008.59 and 943,770.13
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Solution
The fourth proportional to 1,668,813.99, 2,303,008.59 and 943,770.13 is: 1,302,428.39
Step by Step Solution
- Step 1: Write the proportion equation
1,668,813.99 : 2,303,008.59 = 943,770.13 : x - Step 2: Convert to fraction form
1,668,813.99/2,303,008.59 = 943,770.13/x - Step 3: Cross multiply
1,668,813.99x = 2,303,008.59 × 943,770.13 - Step 4: Simplify right side
1,668,813.99x = 2,173,510,710,096.14 - Step 5: Solve for x
x = 2,173,510,710,096.14/1,668,813.99 - Step 6: Final answer
x = 1,302,428.39
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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.