Finding the Fourth Proportional to 1,964,728.24, 2,711,696.40 and 1,230,024.28
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Solution
The fourth proportional to 1,964,728.24, 2,711,696.40 and 1,230,024.28 is: 1,697,666.04
Step by Step Solution
- Step 1: Write the proportion equation
1,964,728.24 : 2,711,696.40 = 1,230,024.28 : x - Step 2: Convert to fraction form
1,964,728.24/2,711,696.40 = 1,230,024.28/x - Step 3: Cross multiply
1,964,728.24x = 2,711,696.40 × 1,230,024.28 - Step 4: Simplify right side
1,964,728.24x = 3,335,452,411,988.59 - Step 5: Solve for x
x = 3,335,452,411,988.59/1,964,728.24 - Step 6: Final answer
x = 1,697,666.04
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.