Finding the Fourth Proportional to 4,990,298.88, 7,484,119.92 and 1,395,842.88
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Solution
The fourth proportional to 4,990,298.88, 7,484,119.92 and 1,395,842.88 is: 2,093,392.75
Step by Step Solution
- Step 1: Write the proportion equation
4,990,298.88 : 7,484,119.92 = 1,395,842.88 : x - Step 2: Convert to fraction form
4,990,298.88/7,484,119.92 = 1,395,842.88/x - Step 3: Cross multiply
4,990,298.88x = 7,484,119.92 × 1,395,842.88 - Step 4: Simplify right side
4,990,298.88x = 10,446,655,503,398.17 - Step 5: Solve for x
x = 10,446,655,503,398.17/4,990,298.88 - Step 6: Final answer
x = 2,093,392.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.