Finding the Fourth Proportional to 1,456,194.95, 2,009,558.39 and 811,656.08
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Solution
The fourth proportional to 1,456,194.95, 2,009,558.39 and 811,656.08 is: 1,120,090.60
Step by Step Solution
- Step 1: Write the proportion equation
1,456,194.95 : 2,009,558.39 = 811,656.08 : x - Step 2: Convert to fraction form
1,456,194.95/2,009,558.39 = 811,656.08/x - Step 3: Cross multiply
1,456,194.95x = 2,009,558.39 × 811,656.08 - Step 4: Simplify right side
1,456,194.95x = 1,631,070,271,252.44 - Step 5: Solve for x
x = 1,631,070,271,252.44/1,456,194.95 - Step 6: Final answer
x = 1,120,090.60
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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.