Finding the Fourth Proportional to 1,710,987.96, 2,360,916.24 and 947,039.70
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Solution
The fourth proportional to 1,710,987.96, 2,360,916.24 and 947,039.70 is: 1,306,777.99
Step by Step Solution
- Step 1: Write the proportion equation
1,710,987.96 : 2,360,916.24 = 947,039.70 : x - Step 2: Convert to fraction form
1,710,987.96/2,360,916.24 = 947,039.70/x - Step 3: Cross multiply
1,710,987.96x = 2,360,916.24 × 947,039.70 - Step 4: Simplify right side
1,710,987.96x = 2,235,881,407,654.73 - Step 5: Solve for x
x = 2,235,881,407,654.73/1,710,987.96 - Step 6: Final answer
x = 1,306,777.99
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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.