Finding the Fourth Proportional to 1,456,130.60, 2,183,612.70 and 509,013.80
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Solution
The fourth proportional to 1,456,130.60, 2,183,612.70 and 509,013.80 is: 763,316.83
Step by Step Solution
- Step 1: Write the proportion equation
1,456,130.60 : 2,183,612.70 = 509,013.80 : x - Step 2: Convert to fraction form
1,456,130.60/2,183,612.70 = 509,013.80/x - Step 3: Cross multiply
1,456,130.60x = 2,183,612.70 × 509,013.80 - Step 4: Simplify right side
1,456,130.60x = 1,111,488,998,155.26 - Step 5: Solve for x
x = 1,111,488,998,155.26/1,456,130.60 - Step 6: Final answer
x = 763,316.83
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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.