Finding the Fourth Proportional to 3,600,208.40, 4,968,340.74 and 2,439,009.81
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Solution
The fourth proportional to 3,600,208.40, 4,968,340.74 and 2,439,009.81 is: 3,365,869.55
Step by Step Solution
- Step 1: Write the proportion equation
3,600,208.40 : 4,968,340.74 = 2,439,009.81 : x - Step 2: Convert to fraction form
3,600,208.40/4,968,340.74 = 2,439,009.81/x - Step 3: Cross multiply
3,600,208.40x = 4,968,340.74 × 2,439,009.81 - Step 4: Simplify right side
3,600,208.40x = 12,117,831,804,282.66 - Step 5: Solve for x
x = 12,117,831,804,282.66/3,600,208.40 - Step 6: Final answer
x = 3,365,869.55
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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.