Finding the Fourth Proportional to 6,211,954.86, 8,553,485.36 and 6,194,018.72
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Solution
The fourth proportional to 6,211,954.86, 8,553,485.36 and 6,194,018.72 is: 8,528,788.38
Step by Step Solution
- Step 1: Write the proportion equation
6,211,954.86 : 8,553,485.36 = 6,194,018.72 : x - Step 2: Convert to fraction form
6,211,954.86/8,553,485.36 = 6,194,018.72/x - Step 3: Cross multiply
6,211,954.86x = 8,553,485.36 × 6,194,018.72 - Step 4: Simplify right side
6,211,954.86x = 52,980,448,441,085.93 - Step 5: Solve for x
x = 52,980,448,441,085.93/6,211,954.86 - Step 6: Final answer
x = 8,528,788.38
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1.5x scale
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.