Finding the Fourth Proportional to 3,798,926.92, 5,242,038.84 and 3,026,516.80
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Solution
The fourth proportional to 3,798,926.92, 5,242,038.84 and 3,026,516.80 is: 4,176,210.53
Step by Step Solution
- Step 1: Write the proportion equation
3,798,926.92 : 5,242,038.84 = 3,026,516.80 : x - Step 2: Convert to fraction form
3,798,926.92/5,242,038.84 = 3,026,516.80/x - Step 3: Cross multiply
3,798,926.92x = 5,242,038.84 × 3,026,516.80 - Step 4: Simplify right side
3,798,926.92x = 15,865,118,615,512.51 - Step 5: Solve for x
x = 15,865,118,615,512.51/3,798,926.92 - Step 6: Final answer
x = 4,176,210.53
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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.