Finding the Fourth Proportional to 4,386,326.40, 6,570,158.40 and 3,639,830.40
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Solution
The fourth proportional to 4,386,326.40, 6,570,158.40 and 3,639,830.40 is: 5,452,002.45
Step by Step Solution
- Step 1: Write the proportion equation
4,386,326.40 : 6,570,158.40 = 3,639,830.40 : x - Step 2: Convert to fraction form
4,386,326.40/6,570,158.40 = 3,639,830.40/x - Step 3: Cross multiply
4,386,326.40x = 6,570,158.40 × 3,639,830.40 - Step 4: Simplify right side
4,386,326.40x = 23,914,262,277,135.36 - Step 5: Solve for x
x = 23,914,262,277,135.36/4,386,326.40 - Step 6: Final answer
x = 5,452,002.45
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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.