Finding the Fourth Proportional to 1,535,496.73, 2,119,664.93 and 991,897.52
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Solution
The fourth proportional to 1,535,496.73, 2,119,664.93 and 991,897.52 is: 1,369,257.49
Step by Step Solution
- Step 1: Write the proportion equation
1,535,496.73 : 2,119,664.93 = 991,897.52 : x - Step 2: Convert to fraction form
1,535,496.73/2,119,664.93 = 991,897.52/x - Step 3: Cross multiply
1,535,496.73x = 2,119,664.93 × 991,897.52 - Step 4: Simplify right side
1,535,496.73x = 2,102,490,387,637.65 - Step 5: Solve for x
x = 2,102,490,387,637.65/1,535,496.73 - Step 6: Final answer
x = 1,369,257.49
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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.