Finding the Fourth Proportional to 1,642,992.12, 2,464,358.58 and 521,070.84
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Solution
The fourth proportional to 1,642,992.12, 2,464,358.58 and 521,070.84 is: 781,565.16
Step by Step Solution
- Step 1: Write the proportion equation
1,642,992.12 : 2,464,358.58 = 521,070.84 : x - Step 2: Convert to fraction form
1,642,992.12/2,464,358.58 = 521,070.84/x - Step 3: Cross multiply
1,642,992.12x = 2,464,358.58 × 521,070.84 - Step 4: Simplify right side
1,642,992.12x = 1,284,105,395,341.81 - Step 5: Solve for x
x = 1,284,105,395,341.81/1,642,992.12 - Step 6: Final answer
x = 781,565.16
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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.