Finding the Fourth Proportional to 5,140,943.81, 7,094,502.45 and 2,849,252.12
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Solution
The fourth proportional to 5,140,943.81, 7,094,502.45 and 2,849,252.12 is: 3,931,967.92
Step by Step Solution
- Step 1: Write the proportion equation
5,140,943.81 : 7,094,502.45 = 2,849,252.12 : x - Step 2: Convert to fraction form
5,140,943.81/7,094,502.45 = 2,849,252.12/x - Step 3: Cross multiply
5,140,943.81x = 7,094,502.45 × 2,849,252.12 - Step 4: Simplify right side
5,140,943.81x = 20,214,026,096,288.92 - Step 5: Solve for x
x = 20,214,026,096,288.92/5,140,943.81 - Step 6: Final answer
x = 3,931,967.92
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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.