Finding the Fourth Proportional to 2,235,678.84, 3,351,275.91 and 1,038,442.01
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Solution
The fourth proportional to 2,235,678.84, 3,351,275.91 and 1,038,442.01 is: 1,556,621.47
Step by Step Solution
- Step 1: Write the proportion equation
2,235,678.84 : 3,351,275.91 = 1,038,442.01 : x - Step 2: Convert to fraction form
2,235,678.84/3,351,275.91 = 1,038,442.01/x - Step 3: Cross multiply
2,235,678.84x = 3,351,275.91 × 1,038,442.01 - Step 4: Simplify right side
2,235,678.84x = 3,480,105,675,288.60 - Step 5: Solve for x
x = 3,480,105,675,288.60/2,235,678.84 - Step 6: Final answer
x = 1,556,621.47
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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.