Finding the Fourth Proportional to 5,352,792.32, 7,386,860.76 and 2,905,403.84
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Solution
The fourth proportional to 5,352,792.32, 7,386,860.76 and 2,905,403.84 is: 4,009,461.29
Step by Step Solution
- Step 1: Write the proportion equation
5,352,792.32 : 7,386,860.76 = 2,905,403.84 : x - Step 2: Convert to fraction form
5,352,792.32/7,386,860.76 = 2,905,403.84/x - Step 3: Cross multiply
5,352,792.32x = 7,386,860.76 × 2,905,403.84 - Step 4: Simplify right side
5,352,792.32x = 21,461,813,617,649.32 - Step 5: Solve for x
x = 21,461,813,617,649.32/5,352,792.32 - Step 6: Final answer
x = 4,009,461.29
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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.