Finding the Fourth Proportional to 1,917,644.68, 2,875,719.30 and 718,913.62
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Solution
The fourth proportional to 1,917,644.68, 2,875,719.30 and 718,913.62 is: 1,078,090.11
Step by Step Solution
- Step 1: Write the proportion equation
1,917,644.68 : 2,875,719.30 = 718,913.62 : x - Step 2: Convert to fraction form
1,917,644.68/2,875,719.30 = 718,913.62/x - Step 3: Cross multiply
1,917,644.68x = 2,875,719.30 × 718,913.62 - Step 4: Simplify right side
1,917,644.68x = 2,067,393,772,066.87 - Step 5: Solve for x
x = 2,067,393,772,066.87/1,917,644.68 - Step 6: Final answer
x = 1,078,090.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.