Finding the Fourth Proportional to 5,005,907.32, 6,908,288.12 and 2,830,775.92
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Solution
The fourth proportional to 5,005,907.32, 6,908,288.12 and 2,830,775.92 is: 3,906,547.69
Step by Step Solution
- Step 1: Write the proportion equation
5,005,907.32 : 6,908,288.12 = 2,830,775.92 : x - Step 2: Convert to fraction form
5,005,907.32/6,908,288.12 = 2,830,775.92/x - Step 3: Cross multiply
5,005,907.32x = 6,908,288.12 × 2,830,775.92 - Step 4: Simplify right side
5,005,907.32x = 19,555,815,658,518.07 - Step 5: Solve for x
x = 19,555,815,658,518.07/5,005,907.32 - Step 6: Final answer
x = 3,906,547.69
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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.