Finding the Fourth Proportional to 2,580,427.84, 3,869,432.16 and 1,382,128.96
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Solution
The fourth proportional to 2,580,427.84, 3,869,432.16 and 1,382,128.96 is: 2,072,545.55
Step by Step Solution
- Step 1: Write the proportion equation
2,580,427.84 : 3,869,432.16 = 1,382,128.96 : x - Step 2: Convert to fraction form
2,580,427.84/3,869,432.16 = 1,382,128.96/x - Step 3: Cross multiply
2,580,427.84x = 3,869,432.16 × 1,382,128.96 - Step 4: Simplify right side
2,580,427.84x = 5,348,054,247,091.35 - Step 5: Solve for x
x = 5,348,054,247,091.35/2,580,427.84 - Step 6: Final answer
x = 2,072,545.55
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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.