Finding the Fourth Proportional to 3,750,703.16, 5,175,965.68 and 2,031,830.78
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Solution
The fourth proportional to 3,750,703.16, 5,175,965.68 and 2,031,830.78 is: 2,803,923.94
Step by Step Solution
- Step 1: Write the proportion equation
3,750,703.16 : 5,175,965.68 = 2,031,830.78 : x - Step 2: Convert to fraction form
3,750,703.16/5,175,965.68 = 2,031,830.78/x - Step 3: Cross multiply
3,750,703.16x = 5,175,965.68 × 2,031,830.78 - Step 4: Simplify right side
3,750,703.16x = 10,516,686,353,888.22 - Step 5: Solve for x
x = 10,516,686,353,888.22/3,750,703.16 - Step 6: Final answer
x = 2,803,923.94
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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.