Finding the Fourth Proportional to 2,402,279.13, 3,315,145.07 and 1,314,550.84
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Solution
The fourth proportional to 2,402,279.13, 3,315,145.07 and 1,314,550.84 is: 1,814,080.09
Step by Step Solution
- Step 1: Write the proportion equation
2,402,279.13 : 3,315,145.07 = 1,314,550.84 : x - Step 2: Convert to fraction form
2,402,279.13/3,315,145.07 = 1,314,550.84/x - Step 3: Cross multiply
2,402,279.13x = 3,315,145.07 × 1,314,550.84 - Step 4: Simplify right side
2,402,279.13x = 4,357,926,736,490.36 - Step 5: Solve for x
x = 4,357,926,736,490.36/2,402,279.13 - Step 6: Final answer
x = 1,814,080.09
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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.