Finding the Fourth Proportional to 2,146,897.64, 3,220,343.76 and 549,461.54
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Solution
The fourth proportional to 2,146,897.64, 3,220,343.76 and 549,461.54 is: 824,191.62
Step by Step Solution
- Step 1: Write the proportion equation
2,146,897.64 : 3,220,343.76 = 549,461.54 : x - Step 2: Convert to fraction form
2,146,897.64/3,220,343.76 = 549,461.54/x - Step 3: Cross multiply
2,146,897.64x = 3,220,343.76 × 549,461.54 - Step 4: Simplify right side
2,146,897.64x = 1,769,455,041,698.99 - Step 5: Solve for x
x = 1,769,455,041,698.99/2,146,897.64 - Step 6: Final answer
x = 824,191.62
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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.