Finding the Fourth Proportional to 1,905,631.79, 2,855,924.60 and 1,397,815.02
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Solution
The fourth proportional to 1,905,631.79, 2,855,924.60 and 1,397,815.02 is: 2,094,871.80
Step by Step Solution
- Step 1: Write the proportion equation
1,905,631.79 : 2,855,924.60 = 1,397,815.02 : x - Step 2: Convert to fraction form
1,905,631.79/2,855,924.60 = 1,397,815.02/x - Step 3: Cross multiply
1,905,631.79x = 2,855,924.60 × 1,397,815.02 - Step 4: Simplify right side
1,905,631.79x = 3,992,054,294,878.42 - Step 5: Solve for x
x = 3,992,054,294,878.42/1,905,631.79 - Step 6: Final answer
x = 2,094,871.80
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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.