Finding the Fourth Proportional to 2,656,486.74, 3,984,854.64 and 859,510.92
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Solution
The fourth proportional to 2,656,486.74, 3,984,854.64 and 859,510.92 is: 1,289,306.67
Step by Step Solution
- Step 1: Write the proportion equation
2,656,486.74 : 3,984,854.64 = 859,510.92 : x - Step 2: Convert to fraction form
2,656,486.74/3,984,854.64 = 859,510.92/x - Step 3: Cross multiply
2,656,486.74x = 3,984,854.64 × 859,510.92 - Step 4: Simplify right side
2,656,486.74x = 3,425,026,077,692.67 - Step 5: Solve for x
x = 3,425,026,077,692.67/2,656,486.74 - Step 6: Final answer
x = 1,289,306.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.