Finding the Fourth Proportional to 5,423,235.84, 7,483,815.36 and 2,975,787.36
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Solution
The fourth proportional to 5,423,235.84, 7,483,815.36 and 2,975,787.36 is: 4,106,449.32
Step by Step Solution
- Step 1: Write the proportion equation
5,423,235.84 : 7,483,815.36 = 2,975,787.36 : x - Step 2: Convert to fraction form
5,423,235.84/7,483,815.36 = 2,975,787.36/x - Step 3: Cross multiply
5,423,235.84x = 7,483,815.36 × 2,975,787.36 - Step 4: Simplify right side
5,423,235.84x = 22,270,243,152,861.85 - Step 5: Solve for x
x = 22,270,243,152,861.85/5,423,235.84 - Step 6: Final answer
x = 4,106,449.32
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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.