Finding the Fourth Proportional to 1,365,853.77, 1,886,400.99 and 1,063,566.63
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Solution
The fourth proportional to 1,365,853.77, 1,886,400.99 and 1,063,566.63 is: 1,468,907.72
Step by Step Solution
- Step 1: Write the proportion equation
1,365,853.77 : 1,886,400.99 = 1,063,566.63 : x - Step 2: Convert to fraction form
1,365,853.77/1,886,400.99 = 1,063,566.63/x - Step 3: Cross multiply
1,365,853.77x = 1,886,400.99 × 1,063,566.63 - Step 4: Simplify right side
1,365,853.77x = 2,006,313,143,762.96 - Step 5: Solve for x
x = 2,006,313,143,762.96/1,365,853.77 - Step 6: Final answer
x = 1,468,907.72
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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.