Finding the Fourth Proportional to 1,671,847.02, 2,307,855.21 and 1,128,718.53
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Solution
The fourth proportional to 1,671,847.02, 2,307,855.21 and 1,128,718.53 is: 1,558,108.43
Step by Step Solution
- Step 1: Write the proportion equation
1,671,847.02 : 2,307,855.21 = 1,128,718.53 : x - Step 2: Convert to fraction form
1,671,847.02/2,307,855.21 = 1,128,718.53/x - Step 3: Cross multiply
1,671,847.02x = 2,307,855.21 × 1,128,718.53 - Step 4: Simplify right side
1,671,847.02x = 2,604,918,940,084.04 - Step 5: Solve for x
x = 2,604,918,940,084.04/1,671,847.02 - Step 6: Final answer
x = 1,558,108.43
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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.