Finding the Fourth Proportional to 5,890,730.60, 8,129,256.80 and 3,312,388.82
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Solution
The fourth proportional to 5,890,730.60, 8,129,256.80 and 3,312,388.82 is: 4,571,123.88
Step by Step Solution
- Step 1: Write the proportion equation
5,890,730.60 : 8,129,256.80 = 3,312,388.82 : x - Step 2: Convert to fraction form
5,890,730.60/8,129,256.80 = 3,312,388.82/x - Step 3: Cross multiply
5,890,730.60x = 8,129,256.80 × 3,312,388.82 - Step 4: Simplify right side
5,890,730.60x = 26,927,259,282,020.75 - Step 5: Solve for x
x = 26,927,259,282,020.75/5,890,730.60 - Step 6: Final answer
x = 4,571,123.88
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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.