Finding the Fourth Proportional to 4,490,823.30, 6,736,138.20 and 1,252,274.70
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Solution
The fourth proportional to 4,490,823.30, 6,736,138.20 and 1,252,274.70 is: 1,878,385.07
Step by Step Solution
- Step 1: Write the proportion equation
4,490,823.30 : 6,736,138.20 = 1,252,274.70 : x - Step 2: Convert to fraction form
4,490,823.30/6,736,138.20 = 1,252,274.70/x - Step 3: Cross multiply
4,490,823.30x = 6,736,138.20 × 1,252,274.70 - Step 4: Simplify right side
4,490,823.30x = 8,435,495,443,563.54 - Step 5: Solve for x
x = 8,435,495,443,563.54/4,490,823.30 - Step 6: Final answer
x = 1,878,385.07
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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.