Finding the Fourth Proportional to 6,435,690.70, 9,654,832.05 and 1,886,730.70
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Solution
The fourth proportional to 6,435,690.70, 9,654,832.05 and 1,886,730.70 is: 2,830,475.99
Step by Step Solution
- Step 1: Write the proportion equation
6,435,690.70 : 9,654,832.05 = 1,886,730.70 : x - Step 2: Convert to fraction form
6,435,690.70/9,654,832.05 = 1,886,730.70/x - Step 3: Cross multiply
6,435,690.70x = 9,654,832.05 × 1,886,730.70 - Step 4: Simplify right side
6,435,690.70x = 18,216,068,032,078.94 - Step 5: Solve for x
x = 18,216,068,032,078.94/6,435,690.70 - Step 6: Final answer
x = 2,830,475.99
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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.