Finding the Fourth Proportional to 1,316,185.99, 1,816,348.67 and 772,330.84
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Solution
The fourth proportional to 1,316,185.99, 1,816,348.67 and 772,330.84 is: 1,065,823.60
Step by Step Solution
- Step 1: Write the proportion equation
1,316,185.99 : 1,816,348.67 = 772,330.84 : x - Step 2: Convert to fraction form
1,316,185.99/1,816,348.67 = 772,330.84/x - Step 3: Cross multiply
1,316,185.99x = 1,816,348.67 × 772,330.84 - Step 4: Simplify right side
1,316,185.99x = 1,402,822,091,423.94 - Step 5: Solve for x
x = 1,402,822,091,423.94/1,316,185.99 - Step 6: Final answer
x = 1,065,823.60
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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.