Finding the Fourth Proportional to 4,687,409.68, 7,031,132.26 and 1,653,127.60
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Solution
The fourth proportional to 4,687,409.68, 7,031,132.26 and 1,653,127.60 is: 2,479,697.66
Step by Step Solution
- Step 1: Write the proportion equation
4,687,409.68 : 7,031,132.26 = 1,653,127.60 : x - Step 2: Convert to fraction form
4,687,409.68/7,031,132.26 = 1,653,127.60/x - Step 3: Cross multiply
4,687,409.68x = 7,031,132.26 × 1,653,127.60 - Step 4: Simplify right side
4,687,409.68x = 11,623,358,798,256.38 - Step 5: Solve for x
x = 11,623,358,798,256.38/4,687,409.68 - Step 6: Final answer
x = 2,479,697.66
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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.