Finding the Fourth Proportional to 4,083,886.80, 6,125,830.20 and 4,020,901.20
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Solution
The fourth proportional to 4,083,886.80, 6,125,830.20 and 4,020,901.20 is: 6,031,351.80
Step by Step Solution
- Step 1: Write the proportion equation
4,083,886.80 : 6,125,830.20 = 4,020,901.20 : x - Step 2: Convert to fraction form
4,083,886.80/6,125,830.20 = 4,020,901.20/x - Step 3: Cross multiply
4,083,886.80x = 6,125,830.20 × 4,020,901.20 - Step 4: Simplify right side
4,083,886.80x = 24,631,358,002,176.24 - Step 5: Solve for x
x = 24,631,358,002,176.24/4,083,886.80 - Step 6: Final answer
x = 6,031,351.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.