Finding the Fourth Proportional to 6,319,716.63, 8,730,137.16 and 5,028,905.49
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Solution
The fourth proportional to 6,319,716.63, 8,730,137.16 and 5,028,905.49 is: 6,946,994.19
Step by Step Solution
- Step 1: Write the proportion equation
6,319,716.63 : 8,730,137.16 = 5,028,905.49 : x - Step 2: Convert to fraction form
6,319,716.63/8,730,137.16 = 5,028,905.49/x - Step 3: Cross multiply
6,319,716.63x = 8,730,137.16 × 5,028,905.49 - Step 4: Simplify right side
6,319,716.63x = 43,903,034,692,377.01 - Step 5: Solve for x
x = 43,903,034,692,377.01/6,319,716.63 - Step 6: Final answer
x = 6,946,994.19
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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.