Finding the Fourth Proportional to 1,863,976.74, 2,572,235.91 and 1,129,366.01
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Solution
The fourth proportional to 1,863,976.74, 2,572,235.91 and 1,129,366.01 is: 1,558,493.59
Step by Step Solution
- Step 1: Write the proportion equation
1,863,976.74 : 2,572,235.91 = 1,129,366.01 : x - Step 2: Convert to fraction form
1,863,976.74/2,572,235.91 = 1,129,366.01/x - Step 3: Cross multiply
1,863,976.74x = 2,572,235.91 × 1,129,366.01 - Step 4: Simplify right side
1,863,976.74x = 2,904,995,793,594.24 - Step 5: Solve for x
x = 2,904,995,793,594.24/1,863,976.74 - Step 6: Final answer
x = 1,558,493.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.