Finding the Fourth Proportional to 6,432,038.30, 9,646,008.90 and 2,113,085.99
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Solution
The fourth proportional to 6,432,038.30, 9,646,008.90 and 2,113,085.99 is: 3,168,955.98
Step by Step Solution
- Step 1: Write the proportion equation
6,432,038.30 : 9,646,008.90 = 2,113,085.99 : x - Step 2: Convert to fraction form
6,432,038.30/9,646,008.90 = 2,113,085.99/x - Step 3: Cross multiply
6,432,038.30x = 9,646,008.90 × 2,113,085.99 - Step 4: Simplify right side
6,432,038.30x = 20,382,846,217,775.27 - Step 5: Solve for x
x = 20,382,846,217,775.27/6,432,038.30 - Step 6: Final answer
x = 3,168,955.98
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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.