Finding the Fourth Proportional to 5,223,515.25, 7,208,451.05 and 2,931,675.94
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Solution
The fourth proportional to 5,223,515.25, 7,208,451.05 and 2,931,675.94 is: 4,045,712.80
Step by Step Solution
- Step 1: Write the proportion equation
5,223,515.25 : 7,208,451.05 = 2,931,675.94 : x - Step 2: Convert to fraction form
5,223,515.25/7,208,451.05 = 2,931,675.94/x - Step 3: Cross multiply
5,223,515.25x = 7,208,451.05 × 2,931,675.94 - Step 4: Simplify right side
5,223,515.25x = 21,132,842,502,304.92 - Step 5: Solve for x
x = 21,132,842,502,304.92/5,223,515.25 - Step 6: Final answer
x = 4,045,712.80
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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.