Finding the Fourth Proportional to 1,765,235.20, 2,648,947.20 and 924,390.40
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Solution
The fourth proportional to 1,765,235.20, 2,648,947.20 and 924,390.40 is: 1,387,158.70
Step by Step Solution
- Step 1: Write the proportion equation
1,765,235.20 : 2,648,947.20 = 924,390.40 : x - Step 2: Convert to fraction form
1,765,235.20/2,648,947.20 = 924,390.40/x - Step 3: Cross multiply
1,765,235.20x = 2,648,947.20 × 924,390.40 - Step 4: Simplify right side
1,765,235.20x = 2,448,661,361,786.88 - Step 5: Solve for x
x = 2,448,661,361,786.88/1,765,235.20 - Step 6: Final answer
x = 1,387,158.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.