Finding the Fourth Proportional to 4,740,458.84, 6,541,815.12 and 2,565,006.20
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Solution
The fourth proportional to 4,740,458.84, 6,541,815.12 and 2,565,006.20 is: 3,539,698.77
Step by Step Solution
- Step 1: Write the proportion equation
4,740,458.84 : 6,541,815.12 = 2,565,006.20 : x - Step 2: Convert to fraction form
4,740,458.84/6,541,815.12 = 2,565,006.20/x - Step 3: Cross multiply
4,740,458.84x = 6,541,815.12 × 2,565,006.20 - Step 4: Simplify right side
4,740,458.84x = 16,779,796,342,053.75 - Step 5: Solve for x
x = 16,779,796,342,053.75/4,740,458.84 - Step 6: Final answer
x = 3,539,698.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.