Finding the Fourth Proportional to 1,525,813.68, 2,105,389.08 and 913,823.04
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Solution
The fourth proportional to 1,525,813.68, 2,105,389.08 and 913,823.04 is: 1,260,935.77
Step by Step Solution
- Step 1: Write the proportion equation
1,525,813.68 : 2,105,389.08 = 913,823.04 : x - Step 2: Convert to fraction form
1,525,813.68/2,105,389.08 = 913,823.04/x - Step 3: Cross multiply
1,525,813.68x = 2,105,389.08 × 913,823.04 - Step 4: Simplify right side
1,525,813.68x = 1,923,953,049,468.40 - Step 5: Solve for x
x = 1,923,953,049,468.40/1,525,813.68 - Step 6: Final answer
x = 1,260,935.77
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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.