Finding the Fourth Proportional to 2,589,730.79, 3,885,715.40 and 1,390,252.41
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Solution
The fourth proportional to 2,589,730.79, 3,885,715.40 and 1,390,252.41 is: 2,085,979.45
Step by Step Solution
- Step 1: Write the proportion equation
2,589,730.79 : 3,885,715.40 = 1,390,252.41 : x - Step 2: Convert to fraction form
2,589,730.79/3,885,715.40 = 1,390,252.41/x - Step 3: Cross multiply
2,589,730.79x = 3,885,715.40 × 1,390,252.41 - Step 4: Simplify right side
2,589,730.79x = 5,402,125,192,472.85 - Step 5: Solve for x
x = 5,402,125,192,472.85/2,589,730.79 - Step 6: Final answer
x = 2,085,979.45
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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.