Finding the Fourth Proportional to 2,689,115.10, 4,032,117.45 and 1,006,388.70
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Solution
The fourth proportional to 2,689,115.10, 4,032,117.45 and 1,006,388.70 is: 1,509,001.02
Step by Step Solution
- Step 1: Write the proportion equation
2,689,115.10 : 4,032,117.45 = 1,006,388.70 : x - Step 2: Convert to fraction form
2,689,115.10/4,032,117.45 = 1,006,388.70/x - Step 3: Cross multiply
2,689,115.10x = 4,032,117.45 × 1,006,388.70 - Step 4: Simplify right side
2,689,115.10x = 4,057,877,438,752.82 - Step 5: Solve for x
x = 4,057,877,438,752.82/2,689,115.10 - Step 6: Final answer
x = 1,509,001.02
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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.