Finding the Fourth Proportional to 1,687,477.84, 2,532,966.36 and 1,130,405.20
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Solution
The fourth proportional to 1,687,477.84, 2,532,966.36 and 1,130,405.20 is: 1,696,779.82
Step by Step Solution
- Step 1: Write the proportion equation
1,687,477.84 : 2,532,966.36 = 1,130,405.20 : x - Step 2: Convert to fraction form
1,687,477.84/2,532,966.36 = 1,130,405.20/x - Step 3: Cross multiply
1,687,477.84x = 2,532,966.36 × 1,130,405.20 - Step 4: Simplify right side
1,687,477.84x = 2,863,278,344,769.07 - Step 5: Solve for x
x = 2,863,278,344,769.07/1,687,477.84 - Step 6: Final answer
x = 1,696,779.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.