Finding the Fourth Proportional to 1,525,715.76, 2,105,536.08 and 881,124.24
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Solution
The fourth proportional to 1,525,715.76, 2,105,536.08 and 881,124.24 is: 1,215,979.36
Step by Step Solution
- Step 1: Write the proportion equation
1,525,715.76 : 2,105,536.08 = 881,124.24 : x - Step 2: Convert to fraction form
1,525,715.76/2,105,536.08 = 881,124.24/x - Step 3: Cross multiply
1,525,715.76x = 2,105,536.08 × 881,124.24 - Step 4: Simplify right side
1,525,715.76x = 1,855,238,878,282.58 - Step 5: Solve for x
x = 1,855,238,878,282.58/1,525,715.76 - Step 6: Final answer
x = 1,215,979.36
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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.