Finding the Fourth Proportional to 1,539,564.60, 2,309,346.90 and 474,511.80
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Solution
The fourth proportional to 1,539,564.60, 2,309,346.90 and 474,511.80 is: 711,767.70
Step by Step Solution
- Step 1: Write the proportion equation
1,539,564.60 : 2,309,346.90 = 474,511.80 : x - Step 2: Convert to fraction form
1,539,564.60/2,309,346.90 = 474,511.80/x - Step 3: Cross multiply
1,539,564.60x = 2,309,346.90 × 474,511.80 - Step 4: Simplify right side
1,539,564.60x = 1,095,812,354,343.42 - Step 5: Solve for x
x = 1,095,812,354,343.42/1,539,564.60 - Step 6: Final answer
x = 711,767.70
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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.