Finding the Fourth Proportional to 1,712,760.06, 2,363,308.44 and 977,378.58
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Solution
The fourth proportional to 1,712,760.06, 2,363,308.44 and 977,378.58 is: 1,348,610.99
Step by Step Solution
- Step 1: Write the proportion equation
1,712,760.06 : 2,363,308.44 = 977,378.58 : x - Step 2: Convert to fraction form
1,712,760.06/2,363,308.44 = 977,378.58/x - Step 3: Cross multiply
1,712,760.06x = 2,363,308.44 × 977,378.58 - Step 4: Simplify right side
1,712,760.06x = 2,309,847,041,687.70 - Step 5: Solve for x
x = 2,309,847,041,687.70/1,712,760.06 - Step 6: Final answer
x = 1,348,610.99
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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.