Finding the Fourth Proportional to 2,834,560.68, 3,911,690.98 and 1,545,400.72
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Solution
The fourth proportional to 2,834,560.68, 3,911,690.98 and 1,545,400.72 is: 2,132,651.49
Step by Step Solution
- Step 1: Write the proportion equation
2,834,560.68 : 3,911,690.98 = 1,545,400.72 : x - Step 2: Convert to fraction form
2,834,560.68/3,911,690.98 = 1,545,400.72/x - Step 3: Cross multiply
2,834,560.68x = 3,911,690.98 × 1,545,400.72 - Step 4: Simplify right side
2,834,560.68x = 6,045,130,063,730.87 - Step 5: Solve for x
x = 6,045,130,063,730.87/2,834,560.68 - Step 6: Final answer
x = 2,132,651.49
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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.