Finding the Fourth Proportional to 1,563,425.41, 2,157,345.76 and 875,135.81
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Solution
The fourth proportional to 1,563,425.41, 2,157,345.76 and 875,135.81 is: 1,207,585.93
Step by Step Solution
- Step 1: Write the proportion equation
1,563,425.41 : 2,157,345.76 = 875,135.81 : x - Step 2: Convert to fraction form
1,563,425.41/2,157,345.76 = 875,135.81/x - Step 3: Cross multiply
1,563,425.41x = 2,157,345.76 × 875,135.81 - Step 4: Simplify right side
1,563,425.41x = 1,887,970,529,127.67 - Step 5: Solve for x
x = 1,887,970,529,127.67/1,563,425.41 - Step 6: Final answer
x = 1,207,585.93
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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.