Finding the Fourth Proportional to 1,657,607.70, 2,486,411.55 and 1,645,797.90
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Solution
The fourth proportional to 1,657,607.70, 2,486,411.55 and 1,645,797.90 is: 2,468,696.85
Step by Step Solution
- Step 1: Write the proportion equation
1,657,607.70 : 2,486,411.55 = 1,645,797.90 : x - Step 2: Convert to fraction form
1,657,607.70/2,486,411.55 = 1,645,797.90/x - Step 3: Cross multiply
1,657,607.70x = 2,486,411.55 × 1,645,797.90 - Step 4: Simplify right side
1,657,607.70x = 4,092,130,907,525.74 - Step 5: Solve for x
x = 4,092,130,907,525.74/1,657,607.70 - Step 6: Final answer
x = 2,468,696.85
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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.