Finding the Fourth Proportional to 2,545,484.06, 3,818,216.21 and 1,029,148.81
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Solution
The fourth proportional to 2,545,484.06, 3,818,216.21 and 1,029,148.81 is: 1,543,719.21
Step by Step Solution
- Step 1: Write the proportion equation
2,545,484.06 : 3,818,216.21 = 1,029,148.81 : x - Step 2: Convert to fraction form
2,545,484.06/3,818,216.21 = 1,029,148.81/x - Step 3: Cross multiply
2,545,484.06x = 3,818,216.21 × 1,029,148.81 - Step 4: Simplify right side
2,545,484.06x = 3,929,512,654,152.93 - Step 5: Solve for x
x = 3,929,512,654,152.93/2,545,484.06 - Step 6: Final answer
x = 1,543,719.21
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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.