Finding the Fourth Proportional to 1,563,662.79, 2,157,625.08 and 875,298.87
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Solution
The fourth proportional to 1,563,662.79, 2,157,625.08 and 875,298.87 is: 1,207,783.93
Step by Step Solution
- Step 1: Write the proportion equation
1,563,662.79 : 2,157,625.08 = 875,298.87 : x - Step 2: Convert to fraction form
1,563,662.79/2,157,625.08 = 875,298.87/x - Step 3: Cross multiply
1,563,662.79x = 2,157,625.08 × 875,298.87 - Step 4: Simplify right side
1,563,662.79x = 1,888,566,794,407.66 - Step 5: Solve for x
x = 1,888,566,794,407.66/1,563,662.79 - Step 6: Final answer
x = 1,207,783.93
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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.