Finding the Fourth Proportional to 4,739,033.16, 7,102,838.52 and 2,176,712.28
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Solution
The fourth proportional to 4,739,033.16, 7,102,838.52 and 2,176,712.28 is: 3,262,445.17
Step by Step Solution
- Step 1: Write the proportion equation
4,739,033.16 : 7,102,838.52 = 2,176,712.28 : x - Step 2: Convert to fraction form
4,739,033.16/7,102,838.52 = 2,176,712.28/x - Step 3: Cross multiply
4,739,033.16x = 7,102,838.52 × 2,176,712.28 - Step 4: Simplify right side
4,739,033.16x = 15,460,835,829,341.02 - Step 5: Solve for x
x = 15,460,835,829,341.02/4,739,033.16 - Step 6: Final answer
x = 3,262,445.17
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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.