Finding the Fourth Proportional to 4,671,262.80, 6,992,897.40 and 2,777,029.20
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Solution
The fourth proportional to 4,671,262.80, 6,992,897.40 and 2,777,029.20 is: 4,157,222.81
Step by Step Solution
- Step 1: Write the proportion equation
4,671,262.80 : 6,992,897.40 = 2,777,029.20 : x - Step 2: Convert to fraction form
4,671,262.80/6,992,897.40 = 2,777,029.20/x - Step 3: Cross multiply
4,671,262.80x = 6,992,897.40 × 2,777,029.20 - Step 4: Simplify right side
4,671,262.80x = 19,419,480,272,404.08 - Step 5: Solve for x
x = 19,419,480,272,404.08/4,671,262.80 - Step 6: Final answer
x = 4,157,222.81
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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.