Finding the Fourth Proportional to 2,829,139.60, 3,904,316.04 and 1,539,917.68
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Solution
The fourth proportional to 2,829,139.60, 3,904,316.04 and 1,539,917.68 is: 2,125,142.68
Step by Step Solution
- Step 1: Write the proportion equation
2,829,139.60 : 3,904,316.04 = 1,539,917.68 : x - Step 2: Convert to fraction form
2,829,139.60/3,904,316.04 = 1,539,917.68/x - Step 3: Cross multiply
2,829,139.60x = 3,904,316.04 × 1,539,917.68 - Step 4: Simplify right side
2,829,139.60x = 6,012,325,298,303.59 - Step 5: Solve for x
x = 6,012,325,298,303.59/2,829,139.60 - Step 6: Final answer
x = 2,125,142.68
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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.