Finding the Fourth Proportional to 1,583,436.42, 2,375,154.87 and 385,358.74
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Solution
The fourth proportional to 1,583,436.42, 2,375,154.87 and 385,358.74 is: 578,038.17
Step by Step Solution
- Step 1: Write the proportion equation
1,583,436.42 : 2,375,154.87 = 385,358.74 : x - Step 2: Convert to fraction form
1,583,436.42/2,375,154.87 = 385,358.74/x - Step 3: Cross multiply
1,583,436.42x = 2,375,154.87 × 385,358.74 - Step 4: Simplify right side
1,583,436.42x = 915,286,690,556.63 - Step 5: Solve for x
x = 915,286,690,556.63/1,583,436.42 - Step 6: Final answer
x = 578,038.17
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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.