Finding the Fourth Proportional to 4,831,455.98, 7,246,994.80 and 1,636,582.14
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Solution
The fourth proportional to 4,831,455.98, 7,246,994.80 and 1,636,582.14 is: 2,454,809.13
Step by Step Solution
- Step 1: Write the proportion equation
4,831,455.98 : 7,246,994.80 = 1,636,582.14 : x - Step 2: Convert to fraction form
4,831,455.98/7,246,994.80 = 1,636,582.14/x - Step 3: Cross multiply
4,831,455.98x = 7,246,994.80 × 1,636,582.14 - Step 4: Simplify right side
4,831,455.98x = 11,860,302,258,352.87 - Step 5: Solve for x
x = 11,860,302,258,352.87/4,831,455.98 - Step 6: Final answer
x = 2,454,809.13
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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.