Finding the Fourth Proportional to 3,124,926.51, 4,312,566.09 and 1,748,188.10
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Solution
The fourth proportional to 3,124,926.51, 4,312,566.09 and 1,748,188.10 is: 2,412,593.29
Step by Step Solution
- Step 1: Write the proportion equation
3,124,926.51 : 4,312,566.09 = 1,748,188.10 : x - Step 2: Convert to fraction form
3,124,926.51/4,312,566.09 = 1,748,188.10/x - Step 3: Cross multiply
3,124,926.51x = 4,312,566.09 × 1,748,188.10 - Step 4: Simplify right side
3,124,926.51x = 7,539,176,719,001.53 - Step 5: Solve for x
x = 7,539,176,719,001.53/3,124,926.51 - Step 6: Final answer
x = 2,412,593.29
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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.