Finding the Fourth Proportional to 3,130,031.72, 4,693,285.02 and 999,615.08
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Solution
The fourth proportional to 3,130,031.72, 4,693,285.02 and 999,615.08 is: 1,498,859.72
Step by Step Solution
- Step 1: Write the proportion equation
3,130,031.72 : 4,693,285.02 = 999,615.08 : x - Step 2: Convert to fraction form
3,130,031.72/4,693,285.02 = 999,615.08/x - Step 3: Cross multiply
3,130,031.72x = 4,693,285.02 × 999,615.08 - Step 4: Simplify right side
3,130,031.72x = 4,691,478,480,730.10 - Step 5: Solve for x
x = 4,691,478,480,730.10/3,130,031.72 - Step 6: Final answer
x = 1,498,859.72
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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.