Finding the Fourth Proportional to 6,211,894.87, 9,319,321.08 and 3,130,314.14
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Solution
The fourth proportional to 6,211,894.87, 9,319,321.08 and 3,130,314.14 is: 4,696,216.39
Step by Step Solution
- Step 1: Write the proportion equation
6,211,894.87 : 9,319,321.08 = 3,130,314.14 : x - Step 2: Convert to fraction form
6,211,894.87/9,319,321.08 = 3,130,314.14/x - Step 3: Cross multiply
6,211,894.87x = 9,319,321.08 × 3,130,314.14 - Step 4: Simplify right side
6,211,894.87x = 29,172,402,505,327.46 - Step 5: Solve for x
x = 29,172,402,505,327.46/6,211,894.87 - Step 6: Final answer
x = 4,696,216.39
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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.