Finding the Fourth Proportional to 1,535,909.65, 2,301,996.71 and 1,086,759.99
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Solution
The fourth proportional to 1,535,909.65, 2,301,996.71 and 1,086,759.99 is: 1,628,818.42
Step by Step Solution
- Step 1: Write the proportion equation
1,535,909.65 : 2,301,996.71 = 1,086,759.99 : x - Step 2: Convert to fraction form
1,535,909.65/2,301,996.71 = 1,086,759.99/x - Step 3: Cross multiply
1,535,909.65x = 2,301,996.71 × 1,086,759.99 - Step 4: Simplify right side
1,535,909.65x = 2,501,717,924,256.53 - Step 5: Solve for x
x = 2,501,717,924,256.53/1,535,909.65 - Step 6: Final answer
x = 1,628,818.42
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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.