Finding the Fourth Proportional to 2,219,967.16, 3,063,564.50 and 1,201,372.18
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Solution
The fourth proportional to 2,219,967.16, 3,063,564.50 and 1,201,372.18 is: 1,657,898.92
Step by Step Solution
- Step 1: Write the proportion equation
2,219,967.16 : 3,063,564.50 = 1,201,372.18 : x - Step 2: Convert to fraction form
2,219,967.16/3,063,564.50 = 1,201,372.18/x - Step 3: Cross multiply
2,219,967.16x = 3,063,564.50 × 1,201,372.18 - Step 4: Simplify right side
2,219,967.16x = 3,680,481,148,269.84 - Step 5: Solve for x
x = 3,680,481,148,269.84/2,219,967.16 - Step 6: Final answer
x = 1,657,898.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.