Finding the Fourth Proportional to 1,975,355.97, 2,963,012.36 and 479,447.97
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Solution
The fourth proportional to 1,975,355.97, 2,963,012.36 and 479,447.97 is: 719,166.71
Step by Step Solution
- Step 1: Write the proportion equation
1,975,355.97 : 2,963,012.36 = 479,447.97 : x - Step 2: Convert to fraction form
1,975,355.97/2,963,012.36 = 479,447.97/x - Step 3: Cross multiply
1,975,355.97x = 2,963,012.36 × 479,447.97 - Step 4: Simplify right side
1,975,355.97x = 1,420,610,258,689.67 - Step 5: Solve for x
x = 1,420,610,258,689.67/1,975,355.97 - Step 6: Final answer
x = 719,166.71
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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.