Finding the Fourth Proportional to 1,720,289.68, 2,374,080.78 and 956,356
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Solution
The fourth proportional to 1,720,289.68, 2,374,080.78 and 956,356 is: 1,319,816.32
Step by Step Solution
- Step 1: Write the proportion equation
1,720,289.68 : 2,374,080.78 = 956,356 : x - Step 2: Convert to fraction form
1,720,289.68/2,374,080.78 = 956,356/x - Step 3: Cross multiply
1,720,289.68x = 2,374,080.78 × 956,356 - Step 4: Simplify right side
1,720,289.68x = 2,270,466,398,437.68 - Step 5: Solve for x
x = 2,270,466,398,437.68/1,720,289.68 - Step 6: Final answer
x = 1,319,816.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.