Finding the Fourth Proportional to 4,963,606.60, 7,445,409.90 and 2,124,005.80
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Solution
The fourth proportional to 4,963,606.60, 7,445,409.90 and 2,124,005.80 is: 3,186,008.70
Step by Step Solution
- Step 1: Write the proportion equation
4,963,606.60 : 7,445,409.90 = 2,124,005.80 : x - Step 2: Convert to fraction form
4,963,606.60/7,445,409.90 = 2,124,005.80/x - Step 3: Cross multiply
4,963,606.60x = 7,445,409.90 × 2,124,005.80 - Step 4: Simplify right side
4,963,606.60x = 15,814,093,810,977.42 - Step 5: Solve for x
x = 15,814,093,810,977.42/4,963,606.60 - Step 6: Final answer
x = 3,186,008.70
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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.