Finding the Fourth Proportional to 2,643,585.21, 3,956,798.70 and 1,427,471.06
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Solution
The fourth proportional to 2,643,585.21, 3,956,798.70 and 1,427,471.06 is: 2,136,574.07
Step by Step Solution
- Step 1: Write the proportion equation
2,643,585.21 : 3,956,798.70 = 1,427,471.06 : x - Step 2: Convert to fraction form
2,643,585.21/3,956,798.70 = 1,427,471.06/x - Step 3: Cross multiply
2,643,585.21x = 3,956,798.70 × 1,427,471.06 - Step 4: Simplify right side
2,643,585.21x = 5,648,215,614,711.63 - Step 5: Solve for x
x = 5,648,215,614,711.63/2,643,585.21 - Step 6: Final answer
x = 2,136,574.07
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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.