Finding the Fourth Proportional to 4,660,916.66, 6,430,323.14 and 4,653,730.54
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Solution
The fourth proportional to 4,660,916.66, 6,430,323.14 and 4,653,730.54 is: 6,420,408.98
Step by Step Solution
- Step 1: Write the proportion equation
4,660,916.66 : 6,430,323.14 = 4,653,730.54 : x - Step 2: Convert to fraction form
4,660,916.66/6,430,323.14 = 4,653,730.54/x - Step 3: Cross multiply
4,660,916.66x = 6,430,323.14 × 4,653,730.54 - Step 4: Simplify right side
4,660,916.66x = 29,924,991,178,686.70 - Step 5: Solve for x
x = 29,924,991,178,686.70/4,660,916.66 - Step 6: Final answer
x = 6,420,408.98
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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.