Finding the Fourth Proportional to 6,664,823.93, 9,197,454.78 and 3,609,038.18
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Solution
The fourth proportional to 6,664,823.93, 9,197,454.78 and 3,609,038.18 is: 4,980,471.47
Step by Step Solution
- Step 1: Write the proportion equation
6,664,823.93 : 9,197,454.78 = 3,609,038.18 : x - Step 2: Convert to fraction form
6,664,823.93/9,197,454.78 = 3,609,038.18/x - Step 3: Cross multiply
6,664,823.93x = 9,197,454.78 × 3,609,038.18 - Step 4: Simplify right side
6,664,823.93x = 33,193,965,441,798.31 - Step 5: Solve for x
x = 33,193,965,441,798.31/6,664,823.93 - Step 6: Final answer
x = 4,980,471.47
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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.