Finding the Fourth Proportional to 1,938,583.68, 2,908,191.12 and 572,495.55
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Solution
The fourth proportional to 1,938,583.68, 2,908,191.12 and 572,495.55 is: 858,836.53
Step by Step Solution
- Step 1: Write the proportion equation
1,938,583.68 : 2,908,191.12 = 572,495.55 : x - Step 2: Convert to fraction form
1,938,583.68/2,908,191.12 = 572,495.55/x - Step 3: Cross multiply
1,938,583.68x = 2,908,191.12 × 572,495.55 - Step 4: Simplify right side
1,938,583.68x = 1,664,926,474,749.52 - Step 5: Solve for x
x = 1,664,926,474,749.52/1,938,583.68 - Step 6: Final answer
x = 858,836.53
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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.