Finding the Fourth Proportional to 2,316,671.20, 3,475,352.40 and 820,645.60
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Solution
The fourth proportional to 2,316,671.20, 3,475,352.40 and 820,645.60 is: 1,231,090.82
Step by Step Solution
- Step 1: Write the proportion equation
2,316,671.20 : 3,475,352.40 = 820,645.60 : x - Step 2: Convert to fraction form
2,316,671.20/3,475,352.40 = 820,645.60/x - Step 3: Cross multiply
2,316,671.20x = 3,475,352.40 × 820,645.60 - Step 4: Simplify right side
2,316,671.20x = 2,852,032,655,509.44 - Step 5: Solve for x
x = 2,852,032,655,509.44/2,316,671.20 - Step 6: Final answer
x = 1,231,090.82
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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.