Finding the Fourth Proportional to 1,917,662.68, 2,875,746.39 and 718,931.53
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Solution
The fourth proportional to 1,917,662.68, 2,875,746.39 and 718,931.53 is: 1,078,117.01
Step by Step Solution
- Step 1: Write the proportion equation
1,917,662.68 : 2,875,746.39 = 718,931.53 : x - Step 2: Convert to fraction form
1,917,662.68/2,875,746.39 = 718,931.53/x - Step 3: Cross multiply
1,917,662.68x = 2,875,746.39 × 718,931.53 - Step 4: Simplify right side
1,917,662.68x = 2,067,464,752,054.68 - Step 5: Solve for x
x = 2,067,464,752,054.68/1,917,662.68 - Step 6: Final answer
x = 1,078,117.01
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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.