Finding the Fourth Proportional to 1,908,844.52, 2,857,036.26 and 1,403,271.68
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Solution
The fourth proportional to 1,908,844.52, 2,857,036.26 and 1,403,271.68 is: 2,100,327.20
Step by Step Solution
- Step 1: Write the proportion equation
1,908,844.52 : 2,857,036.26 = 1,403,271.68 : x - Step 2: Convert to fraction form
1,908,844.52/2,857,036.26 = 1,403,271.68/x - Step 3: Cross multiply
1,908,844.52x = 2,857,036.26 × 1,403,271.68 - Step 4: Simplify right side
1,908,844.52x = 4,009,198,072,391.12 - Step 5: Solve for x
x = 4,009,198,072,391.12/1,908,844.52 - Step 6: Final answer
x = 2,100,327.20
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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.