Finding the Fourth Proportional to 1,809,088.65, 2,497,710.60 and 1,121,495.31
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Solution
The fourth proportional to 1,809,088.65, 2,497,710.60 and 1,121,495.31 is: 1,548,387.76
Step by Step Solution
- Step 1: Write the proportion equation
1,809,088.65 : 2,497,710.60 = 1,121,495.31 : x - Step 2: Convert to fraction form
1,809,088.65/2,497,710.60 = 1,121,495.31/x - Step 3: Cross multiply
1,809,088.65x = 2,497,710.60 × 1,121,495.31 - Step 4: Simplify right side
1,809,088.65x = 2,801,170,723,637.29 - Step 5: Solve for x
x = 2,801,170,723,637.29/1,809,088.65 - Step 6: Final answer
x = 1,548,387.76
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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.