Finding the Fourth Proportional to 6,518,468.23, 8,997,139.74 and 4,454,319.31
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Solution
The fourth proportional to 6,518,468.23, 8,997,139.74 and 4,454,319.31 is: 6,148,090.60
Step by Step Solution
- Step 1: Write the proportion equation
6,518,468.23 : 8,997,139.74 = 4,454,319.31 : x - Step 2: Convert to fraction form
6,518,468.23/8,997,139.74 = 4,454,319.31/x - Step 3: Cross multiply
6,518,468.23x = 8,997,139.74 × 4,454,319.31 - Step 4: Simplify right side
6,518,468.23x = 40,076,133,278,650.38 - Step 5: Solve for x
x = 40,076,133,278,650.38/6,518,468.23 - Step 6: Final answer
x = 6,148,090.60
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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.