Finding the Fourth Proportional to 2,298,372.47, 3,171,688.99 and 1,251,769.98
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Solution
The fourth proportional to 2,298,372.47, 3,171,688.99 and 1,251,769.98 is: 1,727,407.17
Step by Step Solution
- Step 1: Write the proportion equation
2,298,372.47 : 3,171,688.99 = 1,251,769.98 : x - Step 2: Convert to fraction form
2,298,372.47/3,171,688.99 = 1,251,769.98/x - Step 3: Cross multiply
2,298,372.47x = 3,171,688.99 × 1,251,769.98 - Step 4: Simplify right side
2,298,372.47x = 3,970,225,072,342.93 - Step 5: Solve for x
x = 3,970,225,072,342.93/2,298,372.47 - Step 6: Final answer
x = 1,727,407.17
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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.