Finding the Fourth Proportional to 1,720,838.80, 2,374,659.98 and 956,875.96
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Solution
The fourth proportional to 1,720,838.80, 2,374,659.98 and 956,875.96 is: 1,320,434.57
Step by Step Solution
- Step 1: Write the proportion equation
1,720,838.80 : 2,374,659.98 = 956,875.96 : x - Step 2: Convert to fraction form
1,720,838.80/2,374,659.98 = 956,875.96/x - Step 3: Cross multiply
1,720,838.80x = 2,374,659.98 × 956,875.96 - Step 4: Simplify right side
1,720,838.80x = 2,272,255,048,036.08 - Step 5: Solve for x
x = 2,272,255,048,036.08/1,720,838.80 - Step 6: Final answer
x = 1,320,434.57
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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.