Finding the Fourth Proportional to 1,615,475.08, 2,423,185.26 and 478,232.38
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Solution
The fourth proportional to 1,615,475.08, 2,423,185.26 and 478,232.38 is: 717,340.47
Step by Step Solution
- Step 1: Write the proportion equation
1,615,475.08 : 2,423,185.26 = 478,232.38 : x - Step 2: Convert to fraction form
1,615,475.08/2,423,185.26 = 478,232.38/x - Step 3: Cross multiply
1,615,475.08x = 2,423,185.26 × 478,232.38 - Step 4: Simplify right side
1,615,475.08x = 1,158,845,654,070.72 - Step 5: Solve for x
x = 1,158,845,654,070.72/1,615,475.08 - Step 6: Final answer
x = 717,340.47
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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.