Finding the Fourth Proportional to 1,860,073.59, 2,789,402.18 and 1,102,128.95
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Solution
The fourth proportional to 1,860,073.59, 2,789,402.18 and 1,102,128.95 is: 1,652,773.79
Step by Step Solution
- Step 1: Write the proportion equation
1,860,073.59 : 2,789,402.18 = 1,102,128.95 : x - Step 2: Convert to fraction form
1,860,073.59/2,789,402.18 = 1,102,128.95/x - Step 3: Cross multiply
1,860,073.59x = 2,789,402.18 × 1,102,128.95 - Step 4: Simplify right side
1,860,073.59x = 3,074,280,884,579.42 - Step 5: Solve for x
x = 3,074,280,884,579.42/1,860,073.59 - Step 6: Final answer
x = 1,652,773.79
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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.