Finding the Fourth Proportional to 2,879,647.68, 4,316,779.08 and 1,281,342.72
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Solution
The fourth proportional to 2,879,647.68, 4,316,779.08 and 1,281,342.72 is: 1,920,816.04
Step by Step Solution
- Step 1: Write the proportion equation
2,879,647.68 : 4,316,779.08 = 1,281,342.72 : x - Step 2: Convert to fraction form
2,879,647.68/4,316,779.08 = 1,281,342.72/x - Step 3: Cross multiply
2,879,647.68x = 4,316,779.08 × 1,281,342.72 - Step 4: Simplify right side
2,879,647.68x = 5,531,273,448,006.30 - Step 5: Solve for x
x = 5,531,273,448,006.30/2,879,647.68 - Step 6: Final answer
x = 1,920,816.04
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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.