Finding the Fourth Proportional to 1,809,904.32, 2,715,206.16 and 687,885.84
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Solution
The fourth proportional to 1,809,904.32, 2,715,206.16 and 687,885.84 is: 1,031,961.66
Step by Step Solution
- Step 1: Write the proportion equation
1,809,904.32 : 2,715,206.16 = 687,885.84 : x - Step 2: Convert to fraction form
1,809,904.32/2,715,206.16 = 687,885.84/x - Step 3: Cross multiply
1,809,904.32x = 2,715,206.16 × 687,885.84 - Step 4: Simplify right side
1,809,904.32x = 1,867,751,870,144.77 - Step 5: Solve for x
x = 1,867,751,870,144.77/1,809,904.32 - Step 6: Final answer
x = 1,031,961.66
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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.