Finding the Fourth Proportional to 2,750,401.12, 4,126,446.32 and 1,312,918.84
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Solution
The fourth proportional to 2,750,401.12, 4,126,446.32 and 1,312,918.84 is: 1,969,781.45
Step by Step Solution
- Step 1: Write the proportion equation
2,750,401.12 : 4,126,446.32 = 1,312,918.84 : x - Step 2: Convert to fraction form
2,750,401.12/4,126,446.32 = 1,312,918.84/x - Step 3: Cross multiply
2,750,401.12x = 4,126,446.32 × 1,312,918.84 - Step 4: Simplify right side
2,750,401.12x = 5,417,689,115,776.67 - Step 5: Solve for x
x = 5,417,689,115,776.67/2,750,401.12 - Step 6: Final answer
x = 1,969,781.45
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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.