Finding the Fourth Proportional to 2,509,117.16, 3,462,753.04 and 1,421,397.68
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Solution
The fourth proportional to 2,509,117.16, 3,462,753.04 and 1,421,397.68 is: 1,961,625.87
Step by Step Solution
- Step 1: Write the proportion equation
2,509,117.16 : 3,462,753.04 = 1,421,397.68 : x - Step 2: Convert to fraction form
2,509,117.16/3,462,753.04 = 1,421,397.68/x - Step 3: Cross multiply
2,509,117.16x = 3,462,753.04 × 1,421,397.68 - Step 4: Simplify right side
2,509,117.16x = 4,921,949,137,468.95 - Step 5: Solve for x
x = 4,921,949,137,468.95/2,509,117.16 - Step 6: Final answer
x = 1,961,625.87
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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.