Finding the Fourth Proportional to 2,457,312.74, 3,391,125.53 and 1,369,554.02
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Solution
The fourth proportional to 2,457,312.74, 3,391,125.53 and 1,369,554.02 is: 1,890,003.47
Step by Step Solution
- Step 1: Write the proportion equation
2,457,312.74 : 3,391,125.53 = 1,369,554.02 : x - Step 2: Convert to fraction form
2,457,312.74/3,391,125.53 = 1,369,554.02/x - Step 3: Cross multiply
2,457,312.74x = 3,391,125.53 × 1,369,554.02 - Step 4: Simplify right side
2,457,312.74x = 4,644,329,601,936.13 - Step 5: Solve for x
x = 4,644,329,601,936.13/2,457,312.74 - Step 6: Final answer
x = 1,890,003.47
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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.