Finding the Fourth Proportional to 1,911,919.22, 2,867,878.92 and 713,935.08
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Solution
The fourth proportional to 1,911,919.22, 2,867,878.92 and 713,935.08 is: 1,070,902.65
Step by Step Solution
- Step 1: Write the proportion equation
1,911,919.22 : 2,867,878.92 = 713,935.08 : x - Step 2: Convert to fraction form
1,911,919.22/2,867,878.92 = 713,935.08/x - Step 3: Cross multiply
1,911,919.22x = 2,867,878.92 × 713,935.08 - Step 4: Simplify right side
1,911,919.22x = 2,047,479,366,180.51 - Step 5: Solve for x
x = 2,047,479,366,180.51/1,911,919.22 - Step 6: Final answer
x = 1,070,902.65
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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.