Finding the Fourth Proportional to 1,497,809.20, 2,246,713.80 and 551,210.80
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Solution
The fourth proportional to 1,497,809.20, 2,246,713.80 and 551,210.80 is: 826,816.20
Step by Step Solution
- Step 1: Write the proportion equation
1,497,809.20 : 2,246,713.80 = 551,210.80 : x - Step 2: Convert to fraction form
1,497,809.20/2,246,713.80 = 551,210.80/x - Step 3: Cross multiply
1,497,809.20x = 2,246,713.80 × 551,210.80 - Step 4: Simplify right side
1,497,809.20x = 1,238,412,911,069.04 - Step 5: Solve for x
x = 1,238,412,911,069.04/1,497,809.20 - Step 6: Final answer
x = 826,816.20
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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.