Finding the Fourth Proportional to 1,689,345.09, 2,533,488.21 and 551,848.17
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Solution
The fourth proportional to 1,689,345.09, 2,533,488.21 and 551,848.17 is: 827,599.31
Step by Step Solution
- Step 1: Write the proportion equation
1,689,345.09 : 2,533,488.21 = 551,848.17 : x - Step 2: Convert to fraction form
1,689,345.09/2,533,488.21 = 551,848.17/x - Step 3: Cross multiply
1,689,345.09x = 2,533,488.21 × 551,848.17 - Step 4: Simplify right side
1,689,345.09x = 1,398,100,832,405.08 - Step 5: Solve for x
x = 1,398,100,832,405.08/1,689,345.09 - Step 6: Final answer
x = 827,599.31
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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.