Finding the Fourth Proportional to 5,246,153.16, 7,869,424.18 and 1,833,772.20
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Solution
The fourth proportional to 5,246,153.16, 7,869,424.18 and 1,833,772.20 is: 2,750,726.27
Step by Step Solution
- Step 1: Write the proportion equation
5,246,153.16 : 7,869,424.18 = 1,833,772.20 : x - Step 2: Convert to fraction form
5,246,153.16/7,869,424.18 = 1,833,772.20/x - Step 3: Cross multiply
5,246,153.16x = 7,869,424.18 × 1,833,772.20 - Step 4: Simplify right side
5,246,153.16x = 14,430,731,291,291.79 - Step 5: Solve for x
x = 14,430,731,291,291.79/5,246,153.16 - Step 6: Final answer
x = 2,750,726.27
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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.