Finding the Fourth Proportional to 4,210,906.93, 6,315,701.49 and 1,370,999.95
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Solution
The fourth proportional to 4,210,906.93, 6,315,701.49 and 1,370,999.95 is: 2,056,285.40
Step by Step Solution
- Step 1: Write the proportion equation
4,210,906.93 : 6,315,701.49 = 1,370,999.95 : x - Step 2: Convert to fraction form
4,210,906.93/6,315,701.49 = 1,370,999.95/x - Step 3: Cross multiply
4,210,906.93x = 6,315,701.49 × 1,370,999.95 - Step 4: Simplify right side
4,210,906.93x = 8,658,826,427,004.93 - Step 5: Solve for x
x = 8,658,826,427,004.93/4,210,906.93 - Step 6: Final answer
x = 2,056,285.40
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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.