Finding the Fourth Proportional to 6,488,607.42, 8,951,301.99 and 4,197,506.94
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Solution
The fourth proportional to 6,488,607.42, 8,951,301.99 and 4,197,506.94 is: 5,790,634.23
Step by Step Solution
- Step 1: Write the proportion equation
6,488,607.42 : 8,951,301.99 = 4,197,506.94 : x - Step 2: Convert to fraction form
6,488,607.42/8,951,301.99 = 4,197,506.94/x - Step 3: Cross multiply
6,488,607.42x = 8,951,301.99 × 4,197,506.94 - Step 4: Simplify right side
6,488,607.42x = 37,573,152,225,060.81 - Step 5: Solve for x
x = 37,573,152,225,060.81/6,488,607.42 - Step 6: Final answer
x = 5,790,634.23
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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.