Finding the Fourth Proportional to 3,124,926.47, 4,312,566.06 and 1,748,188.09
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Solution
The fourth proportional to 3,124,926.47, 4,312,566.06 and 1,748,188.09 is: 2,412,593.28
Step by Step Solution
- Step 1: Write the proportion equation
3,124,926.47 : 4,312,566.06 = 1,748,188.09 : x - Step 2: Convert to fraction form
3,124,926.47/4,312,566.06 = 1,748,188.09/x - Step 3: Cross multiply
3,124,926.47x = 4,312,566.06 × 1,748,188.09 - Step 4: Simplify right side
3,124,926.47x = 7,539,176,598,007.05 - Step 5: Solve for x
x = 7,539,176,598,007.05/3,124,926.47 - Step 6: Final answer
x = 2,412,593.28
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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.