Finding the Fourth Proportional to 5,128,377.18, 7,679,544.67 and 3,077,746.93
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Solution
The fourth proportional to 5,128,377.18, 7,679,544.67 and 3,077,746.93 is: 4,608,805.91
Step by Step Solution
- Step 1: Write the proportion equation
5,128,377.18 : 7,679,544.67 = 3,077,746.93 : x - Step 2: Convert to fraction form
5,128,377.18/7,679,544.67 = 3,077,746.93/x - Step 3: Cross multiply
5,128,377.18x = 7,679,544.67 × 3,077,746.93 - Step 4: Simplify right side
5,128,377.18x = 23,635,695,031,890.36 - Step 5: Solve for x
x = 23,635,695,031,890.36/5,128,377.18 - Step 6: Final answer
x = 4,608,805.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.