Finding the Fourth Proportional to 5,216,073.60, 7,823,224.62 and 1,377,937.81
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Solution
The fourth proportional to 5,216,073.60, 7,823,224.62 and 1,377,937.81 is: 2,066,672.72
Step by Step Solution
- Step 1: Write the proportion equation
5,216,073.60 : 7,823,224.62 = 1,377,937.81 : x - Step 2: Convert to fraction form
5,216,073.60/7,823,224.62 = 1,377,937.81/x - Step 3: Cross multiply
5,216,073.60x = 7,823,224.62 × 1,377,937.81 - Step 4: Simplify right side
5,216,073.60x = 10,779,917,009,799.91 - Step 5: Solve for x
x = 10,779,917,009,799.91/5,216,073.60 - Step 6: Final answer
x = 2,066,672.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.