Finding the Fourth Proportional to 2,038,755.24, 2,813,554.53 and 1,121,054.31
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Solution
The fourth proportional to 2,038,755.24, 2,813,554.53 and 1,121,054.31 is: 1,547,094.70
Step by Step Solution
- Step 1: Write the proportion equation
2,038,755.24 : 2,813,554.53 = 1,121,054.31 : x - Step 2: Convert to fraction form
2,038,755.24/2,813,554.53 = 1,121,054.31/x - Step 3: Cross multiply
2,038,755.24x = 2,813,554.53 × 1,121,054.31 - Step 4: Simplify right side
2,038,755.24x = 3,154,147,432,276.52 - Step 5: Solve for x
x = 3,154,147,432,276.52/2,038,755.24 - Step 6: Final answer
x = 1,547,094.70
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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.