Finding the Fourth Proportional to 1,975,218.64, 2,964,073.43 and 776,985.23
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Solution
The fourth proportional to 1,975,218.64, 2,964,073.43 and 776,985.23 is: 1,165,967.78
Step by Step Solution
- Step 1: Write the proportion equation
1,975,218.64 : 2,964,073.43 = 776,985.23 : x - Step 2: Convert to fraction form
1,975,218.64/2,964,073.43 = 776,985.23/x - Step 3: Cross multiply
1,975,218.64x = 2,964,073.43 × 776,985.23 - Step 4: Simplify right side
1,975,218.64x = 2,303,041,285,098.09 - Step 5: Solve for x
x = 2,303,041,285,098.09/1,975,218.64 - Step 6: Final answer
x = 1,165,967.78
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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.