Finding the Fourth Proportional to 6,450,304.74, 8,901,421.78 and 3,549,695.58
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Solution
The fourth proportional to 6,450,304.74, 8,901,421.78 and 3,549,695.58 is: 4,898,580.58
Step by Step Solution
- Step 1: Write the proportion equation
6,450,304.74 : 8,901,421.78 = 3,549,695.58 : x - Step 2: Convert to fraction form
6,450,304.74/8,901,421.78 = 3,549,695.58/x - Step 3: Cross multiply
6,450,304.74x = 8,901,421.78 × 3,549,695.58 - Step 4: Simplify right side
6,450,304.74x = 31,597,337,548,181.73 - Step 5: Solve for x
x = 31,597,337,548,181.73/6,450,304.74 - Step 6: Final answer
x = 4,898,580.58
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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.