Finding the Fourth Proportional to 1,527,343.39, 2,291,013.04 and 390,106.81
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Solution
The fourth proportional to 1,527,343.39, 2,291,013.04 and 390,106.81 is: 585,159.69
Step by Step Solution
- Step 1: Write the proportion equation
1,527,343.39 : 2,291,013.04 = 390,106.81 : x - Step 2: Convert to fraction form
1,527,343.39/2,291,013.04 = 390,106.81/x - Step 3: Cross multiply
1,527,343.39x = 2,291,013.04 × 390,106.81 - Step 4: Simplify right side
1,527,343.39x = 893,739,783,782.10 - Step 5: Solve for x
x = 893,739,783,782.10/1,527,343.39 - Step 6: Final answer
x = 585,159.69
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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.