Finding the Fourth Proportional to 3,174,331.68, 4,378,044.74 and 2,087,719.52
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Solution
The fourth proportional to 3,174,331.68, 4,378,044.74 and 2,087,719.52 is: 2,879,387.02
Step by Step Solution
- Step 1: Write the proportion equation
3,174,331.68 : 4,378,044.74 = 2,087,719.52 : x - Step 2: Convert to fraction form
3,174,331.68/4,378,044.74 = 2,087,719.52/x - Step 3: Cross multiply
3,174,331.68x = 4,378,044.74 × 2,087,719.52 - Step 4: Simplify right side
3,174,331.68x = 9,140,129,430,802.50 - Step 5: Solve for x
x = 9,140,129,430,802.50/3,174,331.68 - Step 6: Final answer
x = 2,879,387.02
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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.