Finding the Fourth Proportional to 1,427,911.25, 2,141,867.68 and 708,749.81
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Solution
The fourth proportional to 1,427,911.25, 2,141,867.68 and 708,749.81 is: 1,063,125.12
Step by Step Solution
- Step 1: Write the proportion equation
1,427,911.25 : 2,141,867.68 = 708,749.81 : x - Step 2: Convert to fraction form
1,427,911.25/2,141,867.68 = 708,749.81/x - Step 3: Cross multiply
1,427,911.25x = 2,141,867.68 × 708,749.81 - Step 4: Simplify right side
1,427,911.25x = 1,518,048,306,795.93 - Step 5: Solve for x
x = 1,518,048,306,795.93/1,427,911.25 - Step 6: Final answer
x = 1,063,125.12
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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.