Finding the Fourth Proportional to 1,968,139.60, 2,950,366.20 and 1,541,438.80
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Solution
The fourth proportional to 1,968,139.60, 2,950,366.20 and 1,541,438.80 is: 2,310,714.61
Step by Step Solution
- Step 1: Write the proportion equation
1,968,139.60 : 2,950,366.20 = 1,541,438.80 : x - Step 2: Convert to fraction form
1,968,139.60/2,950,366.20 = 1,541,438.80/x - Step 3: Cross multiply
1,968,139.60x = 2,950,366.20 × 1,541,438.80 - Step 4: Simplify right side
1,968,139.60x = 4,547,808,934,888.56 - Step 5: Solve for x
x = 4,547,808,934,888.56/1,968,139.60 - Step 6: Final answer
x = 2,310,714.61
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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.