Finding the Fourth Proportional to 1,671,863.02, 2,307,877.30 and 1,128,734.54
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Solution
The fourth proportional to 1,671,863.02, 2,307,877.30 and 1,128,734.54 is: 1,558,130.54
Step by Step Solution
- Step 1: Write the proportion equation
1,671,863.02 : 2,307,877.30 = 1,128,734.54 : x - Step 2: Convert to fraction form
1,671,863.02/2,307,877.30 = 1,128,734.54/x - Step 3: Cross multiply
1,671,863.02x = 2,307,877.30 × 1,128,734.54 - Step 4: Simplify right side
1,671,863.02x = 2,604,980,822,591.94 - Step 5: Solve for x
x = 2,604,980,822,591.94/1,671,863.02 - Step 6: Final answer
x = 1,558,130.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.