Finding the Fourth Proportional to 3,026,368.53, 4,176,416.57 and 1,668,290.13
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Solution
The fourth proportional to 3,026,368.53, 4,176,416.57 and 1,668,290.13 is: 2,302,255.81
Step by Step Solution
- Step 1: Write the proportion equation
3,026,368.53 : 4,176,416.57 = 1,668,290.13 : x - Step 2: Convert to fraction form
3,026,368.53/4,176,416.57 = 1,668,290.13/x - Step 3: Cross multiply
3,026,368.53x = 4,176,416.57 × 1,668,290.13 - Step 4: Simplify right side
3,026,368.53x = 6,967,474,534,158.00 - Step 5: Solve for x
x = 6,967,474,534,158.00/3,026,368.53 - Step 6: Final answer
x = 2,302,255.81
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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.