Finding the Fourth Proportional to 1,784,585.80, 2,677,785.90 and 1,185,963.40
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Solution
The fourth proportional to 1,784,585.80, 2,677,785.90 and 1,185,963.40 is: 1,779,547.99
Step by Step Solution
- Step 1: Write the proportion equation
1,784,585.80 : 2,677,785.90 = 1,185,963.40 : x - Step 2: Convert to fraction form
1,784,585.80/2,677,785.90 = 1,185,963.40/x - Step 3: Cross multiply
1,784,585.80x = 2,677,785.90 × 1,185,963.40 - Step 4: Simplify right side
1,784,585.80x = 3,175,756,070,436.06 - Step 5: Solve for x
x = 3,175,756,070,436.06/1,784,585.80 - Step 6: Final answer
x = 1,779,547.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.