Finding the Fourth Proportional to 1,590,476.76, 2,387,209.80 and 832,861.92
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Solution
The fourth proportional to 1,590,476.76, 2,387,209.80 and 832,861.92 is: 1,250,075.57
Step by Step Solution
- Step 1: Write the proportion equation
1,590,476.76 : 2,387,209.80 = 832,861.92 : x - Step 2: Convert to fraction form
1,590,476.76/2,387,209.80 = 832,861.92/x - Step 3: Cross multiply
1,590,476.76x = 2,387,209.80 × 832,861.92 - Step 4: Simplify right side
1,590,476.76x = 1,988,216,137,470.82 - Step 5: Solve for x
x = 1,988,216,137,470.82/1,590,476.76 - Step 6: Final answer
x = 1,250,075.57
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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.