Finding the Fourth Proportional to 1,816,065.16, 2,506,412.18 and 1,173,355.68
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Solution
The fourth proportional to 1,816,065.16, 2,506,412.18 and 1,173,355.68 is: 1,619,387.36
Step by Step Solution
- Step 1: Write the proportion equation
1,816,065.16 : 2,506,412.18 = 1,173,355.68 : x - Step 2: Convert to fraction form
1,816,065.16/2,506,412.18 = 1,173,355.68/x - Step 3: Cross multiply
1,816,065.16x = 2,506,412.18 × 1,173,355.68 - Step 4: Simplify right side
1,816,065.16x = 2,940,912,967,824.18 - Step 5: Solve for x
x = 2,940,912,967,824.18/1,816,065.16 - Step 6: Final answer
x = 1,619,387.36
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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.