Finding the Fourth Proportional to 6,471,340.08, 8,930,442.54 and 3,570,730.78
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Solution
The fourth proportional to 6,471,340.08, 8,930,442.54 and 3,570,730.78 is: 4,927,604.74
Step by Step Solution
- Step 1: Write the proportion equation
6,471,340.08 : 8,930,442.54 = 3,570,730.78 : x - Step 2: Convert to fraction form
6,471,340.08/8,930,442.54 = 3,570,730.78/x - Step 3: Cross multiply
6,471,340.08x = 8,930,442.54 × 3,570,730.78 - Step 4: Simplify right side
6,471,340.08x = 31,888,206,056,599.38 - Step 5: Solve for x
x = 31,888,206,056,599.38/6,471,340.08 - Step 6: Final answer
x = 4,927,604.74
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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.