Finding the Fourth Proportional to 1,909,565.44, 2,864,347.20 and 909,260.80
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Solution
The fourth proportional to 1,909,565.44, 2,864,347.20 and 909,260.80 is: 1,363,890.74
Step by Step Solution
- Step 1: Write the proportion equation
1,909,565.44 : 2,864,347.20 = 909,260.80 : x - Step 2: Convert to fraction form
1,909,565.44/2,864,347.20 = 909,260.80/x - Step 3: Cross multiply
1,909,565.44x = 2,864,347.20 × 909,260.80 - Step 4: Simplify right side
1,909,565.44x = 2,604,438,626,549.76 - Step 5: Solve for x
x = 2,604,438,626,549.76/1,909,565.44 - Step 6: Final answer
x = 1,363,890.74
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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.