Finding the Fourth Proportional to 6,153,139.08, 9,235,501.63 and 3,122,679.80
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Solution
The fourth proportional to 6,153,139.08, 9,235,501.63 and 3,122,679.80 is: 4,686,959.62
Step by Step Solution
- Step 1: Write the proportion equation
6,153,139.08 : 9,235,501.63 = 3,122,679.80 : x - Step 2: Convert to fraction form
6,153,139.08/9,235,501.63 = 3,122,679.80/x - Step 3: Cross multiply
6,153,139.08x = 9,235,501.63 × 3,122,679.80 - Step 4: Simplify right side
6,153,139.08x = 28,839,514,398,150.13 - Step 5: Solve for x
x = 28,839,514,398,150.13/6,153,139.08 - Step 6: Final answer
x = 4,686,959.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.