Finding the Fourth Proportional to 1,963,034.20, 2,708,970.90 and 1,103,598.28
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Solution
The fourth proportional to 1,963,034.20, 2,708,970.90 and 1,103,598.28 is: 1,522,956.46
Step by Step Solution
- Step 1: Write the proportion equation
1,963,034.20 : 2,708,970.90 = 1,103,598.28 : x - Step 2: Convert to fraction form
1,963,034.20/2,708,970.90 = 1,103,598.28/x - Step 3: Cross multiply
1,963,034.20x = 2,708,970.90 × 1,103,598.28 - Step 4: Simplify right side
1,963,034.20x = 2,989,615,625,810.05 - Step 5: Solve for x
x = 2,989,615,625,810.05/1,963,034.20 - Step 6: Final answer
x = 1,522,956.46
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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.