Finding the Fourth Proportional to 3,363,685.88, 4,640,430.30 and 2,056,995.05
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Solution
The fourth proportional to 3,363,685.88, 4,640,430.30 and 2,056,995.05 is: 2,837,762.65
Step by Step Solution
- Step 1: Write the proportion equation
3,363,685.88 : 4,640,430.30 = 2,056,995.05 : x - Step 2: Convert to fraction form
3,363,685.88/4,640,430.30 = 2,056,995.05/x - Step 3: Cross multiply
3,363,685.88x = 4,640,430.30 × 2,056,995.05 - Step 4: Simplify right side
3,363,685.88x = 9,545,342,156,970.02 - Step 5: Solve for x
x = 9,545,342,156,970.02/3,363,685.88 - Step 6: Final answer
x = 2,837,762.65
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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.