Finding the Fourth Proportional to 2,997,437.31, 4,136,460.54 and 1,620,777.74
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Solution
The fourth proportional to 2,997,437.31, 4,136,460.54 and 1,620,777.74 is: 2,236,671.68
Step by Step Solution
- Step 1: Write the proportion equation
2,997,437.31 : 4,136,460.54 = 1,620,777.74 : x - Step 2: Convert to fraction form
2,997,437.31/4,136,460.54 = 1,620,777.74/x - Step 3: Cross multiply
2,997,437.31x = 4,136,460.54 × 1,620,777.74 - Step 4: Simplify right side
2,997,437.31x = 6,704,283,144,938.08 - Step 5: Solve for x
x = 6,704,283,144,938.08/2,997,437.31 - Step 6: Final answer
x = 2,236,671.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.