Finding the Fourth Proportional to 1,582,799.69, 2,184,303.93 and 971,290.19
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Solution
The fourth proportional to 1,582,799.69, 2,184,303.93 and 971,290.19 is: 1,340,405.23
Step by Step Solution
- Step 1: Write the proportion equation
1,582,799.69 : 2,184,303.93 = 971,290.19 : x - Step 2: Convert to fraction form
1,582,799.69/2,184,303.93 = 971,290.19/x - Step 3: Cross multiply
1,582,799.69x = 2,184,303.93 × 971,290.19 - Step 4: Simplify right side
1,582,799.69x = 2,121,592,979,187.45 - Step 5: Solve for x
x = 2,121,592,979,187.45/1,582,799.69 - Step 6: Final answer
x = 1,340,405.23
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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.