Finding the Fourth Proportional to 3,031,929.42, 4,545,495.09 and 1,138,459.98
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Solution
The fourth proportional to 3,031,929.42, 4,545,495.09 and 1,138,459.98 is: 1,706,789.15
Step by Step Solution
- Step 1: Write the proportion equation
3,031,929.42 : 4,545,495.09 = 1,138,459.98 : x - Step 2: Convert to fraction form
3,031,929.42/4,545,495.09 = 1,138,459.98/x - Step 3: Cross multiply
3,031,929.42x = 4,545,495.09 × 1,138,459.98 - Step 4: Simplify right side
3,031,929.42x = 5,174,864,249,251.50 - Step 5: Solve for x
x = 5,174,864,249,251.50/3,031,929.42 - Step 6: Final answer
x = 1,706,789.15
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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.