Finding the Fourth Proportional to 3,480,902.04, 4,803,948.78 and 2,031,064.56
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Solution
The fourth proportional to 3,480,902.04, 4,803,948.78 and 2,031,064.56 is: 2,803,046.45
Step by Step Solution
- Step 1: Write the proportion equation
3,480,902.04 : 4,803,948.78 = 2,031,064.56 : x - Step 2: Convert to fraction form
3,480,902.04/4,803,948.78 = 2,031,064.56/x - Step 3: Cross multiply
3,480,902.04x = 4,803,948.78 × 2,031,064.56 - Step 4: Simplify right side
3,480,902.04x = 9,757,130,115,113.24 - Step 5: Solve for x
x = 9,757,130,115,113.24/3,480,902.04 - Step 6: Final answer
x = 2,803,046.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.