Finding the Fourth Proportional to 3,783,739.08, 5,221,669.98 and 2,064,970.20
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Solution
The fourth proportional to 3,783,739.08, 5,221,669.98 and 2,064,970.20 is: 2,849,718.94
Step by Step Solution
- Step 1: Write the proportion equation
3,783,739.08 : 5,221,669.98 = 2,064,970.20 : x - Step 2: Convert to fraction form
3,783,739.08/5,221,669.98 = 2,064,970.20/x - Step 3: Cross multiply
3,783,739.08x = 5,221,669.98 × 2,064,970.20 - Step 4: Simplify right side
3,783,739.08x = 10,782,592,902,934.60 - Step 5: Solve for x
x = 10,782,592,902,934.60/3,783,739.08 - Step 6: Final answer
x = 2,849,718.94
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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.