Finding the Fourth Proportional to 1,462,248.70, 2,190,420.60 and 830,424.40
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Solution
The fourth proportional to 1,462,248.70, 2,190,420.60 and 830,424.40 is: 1,243,959.88
Step by Step Solution
- Step 1: Write the proportion equation
1,462,248.70 : 2,190,420.60 = 830,424.40 : x - Step 2: Convert to fraction form
1,462,248.70/2,190,420.60 = 830,424.40/x - Step 3: Cross multiply
1,462,248.70x = 2,190,420.60 × 830,424.40 - Step 4: Simplify right side
1,462,248.70x = 1,818,978,712,502.64 - Step 5: Solve for x
x = 1,818,978,712,502.64/1,462,248.70 - Step 6: Final answer
x = 1,243,959.88
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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.