Finding the Fourth Proportional to 2,587,750.08, 3,863,429.12 and 1,977,343.68
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Solution
The fourth proportional to 2,587,750.08, 3,863,429.12 and 1,977,343.68 is: 2,952,111.65
Step by Step Solution
- Step 1: Write the proportion equation
2,587,750.08 : 3,863,429.12 = 1,977,343.68 : x - Step 2: Convert to fraction form
2,587,750.08/3,863,429.12 = 1,977,343.68/x - Step 3: Cross multiply
2,587,750.08x = 3,863,429.12 × 1,977,343.68 - Step 4: Simplify right side
2,587,750.08x = 7,639,327,153,559.96 - Step 5: Solve for x
x = 7,639,327,153,559.96/2,587,750.08 - Step 6: Final answer
x = 2,952,111.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.