Finding the Fourth Proportional to 1,871,397.20, 2,808,067.80 and 874,125.20
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Solution
The fourth proportional to 1,871,397.20, 2,808,067.80 and 874,125.20 is: 1,311,641.82
Step by Step Solution
- Step 1: Write the proportion equation
1,871,397.20 : 2,808,067.80 = 874,125.20 : x - Step 2: Convert to fraction form
1,871,397.20/2,808,067.80 = 874,125.20/x - Step 3: Cross multiply
1,871,397.20x = 2,808,067.80 × 874,125.20 - Step 4: Simplify right side
1,871,397.20x = 2,454,602,827,288.56 - Step 5: Solve for x
x = 2,454,602,827,288.56/1,871,397.20 - Step 6: Final answer
x = 1,311,641.82
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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.