Finding the Fourth Proportional to 4,860,929.60, 7,291,394.40 and 1,666,087.10
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Solution
The fourth proportional to 4,860,929.60, 7,291,394.40 and 1,666,087.10 is: 2,499,130.65
Step by Step Solution
- Step 1: Write the proportion equation
4,860,929.60 : 7,291,394.40 = 1,666,087.10 : x - Step 2: Convert to fraction form
4,860,929.60/7,291,394.40 = 1,666,087.10/x - Step 3: Cross multiply
4,860,929.60x = 7,291,394.40 × 1,666,087.10 - Step 4: Simplify right side
4,860,929.60x = 12,148,098,150,852.24 - Step 5: Solve for x
x = 12,148,098,150,852.24/4,860,929.60 - Step 6: Final answer
x = 2,499,130.65
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1.5x scale
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.