Finding the Fourth Proportional to 1,570,490.20, 2,356,172.70 and 771,797.80
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Solution
The fourth proportional to 1,570,490.20, 2,356,172.70 and 771,797.80 is: 1,157,911.65
Step by Step Solution
- Step 1: Write the proportion equation
1,570,490.20 : 2,356,172.70 = 771,797.80 : x - Step 2: Convert to fraction form
1,570,490.20/2,356,172.70 = 771,797.80/x - Step 3: Cross multiply
1,570,490.20x = 2,356,172.70 × 771,797.80 - Step 4: Simplify right side
1,570,490.20x = 1,818,488,906,280.06 - Step 5: Solve for x
x = 1,818,488,906,280.06/1,570,490.20 - Step 6: Final answer
x = 1,157,911.65
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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.