Finding the Fourth Proportional to 1,720,461.36, 2,374,102.20 and 956,468.40
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Solution
The fourth proportional to 1,720,461.36, 2,374,102.20 and 956,468.40 is: 1,319,851.63
Step by Step Solution
- Step 1: Write the proportion equation
1,720,461.36 : 2,374,102.20 = 956,468.40 : x - Step 2: Convert to fraction form
1,720,461.36/2,374,102.20 = 956,468.40/x - Step 3: Cross multiply
1,720,461.36x = 2,374,102.20 × 956,468.40 - Step 4: Simplify right side
1,720,461.36x = 2,270,753,732,670.48 - Step 5: Solve for x
x = 2,270,753,732,670.48/1,720,461.36 - Step 6: Final answer
x = 1,319,851.63
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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.