Finding the Fourth Proportional to 4,042,355.76, 5,579,389.08 and 2,665,948.68
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Solution
The fourth proportional to 4,042,355.76, 5,579,389.08 and 2,665,948.68 is: 3,679,627.88
Step by Step Solution
- Step 1: Write the proportion equation
4,042,355.76 : 5,579,389.08 = 2,665,948.68 : x - Step 2: Convert to fraction form
4,042,355.76/5,579,389.08 = 2,665,948.68/x - Step 3: Cross multiply
4,042,355.76x = 5,579,389.08 × 2,665,948.68 - Step 4: Simplify right side
4,042,355.76x = 14,874,364,953,032.42 - Step 5: Solve for x
x = 14,874,364,953,032.42/4,042,355.76 - Step 6: Final answer
x = 3,679,627.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.