Finding the Fourth Proportional to 5,712,918.96, 7,883,826.90 and 3,265,582.70
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Solution
The fourth proportional to 5,712,918.96, 7,883,826.90 and 3,265,582.70 is: 4,506,503.40
Step by Step Solution
- Step 1: Write the proportion equation
5,712,918.96 : 7,883,826.90 = 3,265,582.70 : x - Step 2: Convert to fraction form
5,712,918.96/7,883,826.90 = 3,265,582.70/x - Step 3: Cross multiply
5,712,918.96x = 7,883,826.90 × 3,265,582.70 - Step 4: Simplify right side
5,712,918.96x = 25,745,288,688,859.04 - Step 5: Solve for x
x = 25,745,288,688,859.04/5,712,918.96 - Step 6: Final answer
x = 4,506,503.40
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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.