Finding the Fourth Proportional to 2,013,197.21, 2,778,327.11 and 1,153,900.61
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Solution
The fourth proportional to 2,013,197.21, 2,778,327.11 and 1,153,900.61 is: 1,592,448.73
Step by Step Solution
- Step 1: Write the proportion equation
2,013,197.21 : 2,778,327.11 = 1,153,900.61 : x - Step 2: Convert to fraction form
2,013,197.21/2,778,327.11 = 1,153,900.61/x - Step 3: Cross multiply
2,013,197.21x = 2,778,327.11 × 1,153,900.61 - Step 4: Simplify right side
2,013,197.21x = 3,205,913,341,239.03 - Step 5: Solve for x
x = 3,205,913,341,239.03/2,013,197.21 - Step 6: Final answer
x = 1,592,448.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.