Finding the Fourth Proportional to 4,208,166.21, 6,312,515.04 and 1,778,866.46
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Solution
The fourth proportional to 4,208,166.21, 6,312,515.04 and 1,778,866.46 is: 2,668,412.01
Step by Step Solution
- Step 1: Write the proportion equation
4,208,166.21 : 6,312,515.04 = 1,778,866.46 : x - Step 2: Convert to fraction form
4,208,166.21/6,312,515.04 = 1,778,866.46/x - Step 3: Cross multiply
4,208,166.21x = 6,312,515.04 × 1,778,866.46 - Step 4: Simplify right side
4,208,166.21x = 11,229,121,251,338.98 - Step 5: Solve for x
x = 11,229,121,251,338.98/4,208,166.21 - Step 6: Final answer
x = 2,668,412.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.