Finding the Fourth Proportional to 5,352,765.58, 7,386,823.97 and 2,905,377.13
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Solution
The fourth proportional to 5,352,765.58, 7,386,823.97 and 2,905,377.13 is: 4,009,424.49
Step by Step Solution
- Step 1: Write the proportion equation
5,352,765.58 : 7,386,823.97 = 2,905,377.13 : x - Step 2: Convert to fraction form
5,352,765.58/7,386,823.97 = 2,905,377.13/x - Step 3: Cross multiply
5,352,765.58x = 7,386,823.97 × 2,905,377.13 - Step 4: Simplify right side
5,352,765.58x = 21,461,509,425,773.80 - Step 5: Solve for x
x = 21,461,509,425,773.80/5,352,765.58 - Step 6: Final answer
x = 4,009,424.49
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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.