Finding the Fourth Proportional to 4,158,950.40, 6,239,020.80 and 1,280,560.80
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Solution
The fourth proportional to 4,158,950.40, 6,239,020.80 and 1,280,560.80 is: 1,921,024.46
Step by Step Solution
- Step 1: Write the proportion equation
4,158,950.40 : 6,239,020.80 = 1,280,560.80 : x - Step 2: Convert to fraction form
4,158,950.40/6,239,020.80 = 1,280,560.80/x - Step 3: Cross multiply
4,158,950.40x = 6,239,020.80 × 1,280,560.80 - Step 4: Simplify right side
4,158,950.40x = 7,989,445,466,864.64 - Step 5: Solve for x
x = 7,989,445,466,864.64/4,158,950.40 - Step 6: Final answer
x = 1,921,024.46
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1.5x scale
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.