Finding the Fourth Proportional to 6,319,270.66, 8,720,840.76 and 3,705,411.46
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Solution
The fourth proportional to 6,319,270.66, 8,720,840.76 and 3,705,411.46 is: 5,113,612.79
Step by Step Solution
- Step 1: Write the proportion equation
6,319,270.66 : 8,720,840.76 = 3,705,411.46 : x - Step 2: Convert to fraction form
6,319,270.66/8,720,840.76 = 3,705,411.46/x - Step 3: Cross multiply
6,319,270.66x = 8,720,840.76 × 3,705,411.46 - Step 4: Simplify right side
6,319,270.66x = 32,314,303,292,939.11 - Step 5: Solve for x
x = 32,314,303,292,939.11/6,319,270.66 - Step 6: Final answer
x = 5,113,612.79
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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.