Finding the Fourth Proportional to 3,393,445.12, 4,683,043.68 and 1,865,590.72
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Solution
The fourth proportional to 3,393,445.12, 4,683,043.68 and 1,865,590.72 is: 2,574,564.35
Step by Step Solution
- Step 1: Write the proportion equation
3,393,445.12 : 4,683,043.68 = 1,865,590.72 : x - Step 2: Convert to fraction form
3,393,445.12/4,683,043.68 = 1,865,590.72/x - Step 3: Cross multiply
3,393,445.12x = 4,683,043.68 × 1,865,590.72 - Step 4: Simplify right side
3,393,445.12x = 8,736,642,830,762.65 - Step 5: Solve for x
x = 8,736,642,830,762.65/3,393,445.12 - Step 6: Final answer
x = 2,574,564.35
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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.