Finding the Fourth Proportional to 4,382,751.79, 6,574,127.58 and 1,187,877.90
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Solution
The fourth proportional to 4,382,751.79, 6,574,127.58 and 1,187,877.90 is: 1,781,816.82
Step by Step Solution
- Step 1: Write the proportion equation
4,382,751.79 : 6,574,127.58 = 1,187,877.90 : x - Step 2: Convert to fraction form
4,382,751.79/6,574,127.58 = 1,187,877.90/x - Step 3: Cross multiply
4,382,751.79x = 6,574,127.58 × 1,187,877.90 - Step 4: Simplify right side
4,382,751.79x = 7,809,260,864,062.48 - Step 5: Solve for x
x = 7,809,260,864,062.48/4,382,751.79 - Step 6: Final answer
x = 1,781,816.82
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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.