Finding the Fourth Proportional to 1,869,370.49, 2,804,528.67 and 521,532.14
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Solution
The fourth proportional to 1,869,370.49, 2,804,528.67 and 521,532.14 is: 782,430.14
Step by Step Solution
- Step 1: Write the proportion equation
1,869,370.49 : 2,804,528.67 = 521,532.14 : x - Step 2: Convert to fraction form
1,869,370.49/2,804,528.67 = 521,532.14/x - Step 3: Cross multiply
1,869,370.49x = 2,804,528.67 × 521,532.14 - Step 4: Simplify right side
1,869,370.49x = 1,462,651,824,933.81 - Step 5: Solve for x
x = 1,462,651,824,933.81/1,869,370.49 - Step 6: Final answer
x = 782,430.14
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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.