Finding the Fourth Proportional to 3,138,479.16, 4,707,018.18 and 1,455,363.96
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Solution
The fourth proportional to 3,138,479.16, 4,707,018.18 and 1,455,363.96 is: 2,182,721.08
Step by Step Solution
- Step 1: Write the proportion equation
3,138,479.16 : 4,707,018.18 = 1,455,363.96 : x - Step 2: Convert to fraction form
3,138,479.16/4,707,018.18 = 1,455,363.96/x - Step 3: Cross multiply
3,138,479.16x = 4,707,018.18 × 1,455,363.96 - Step 4: Simplify right side
3,138,479.16x = 6,850,424,618,236.79 - Step 5: Solve for x
x = 6,850,424,618,236.79/3,138,479.16 - Step 6: Final answer
x = 2,182,721.08
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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.