Finding the Fourth Proportional to 5,712,769.74, 8,569,117.61 and 1,452,901.18
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Solution
The fourth proportional to 5,712,769.74, 8,569,117.61 and 1,452,901.18 is: 2,179,342.36
Step by Step Solution
- Step 1: Write the proportion equation
5,712,769.74 : 8,569,117.61 = 1,452,901.18 : x - Step 2: Convert to fraction form
5,712,769.74/8,569,117.61 = 1,452,901.18/x - Step 3: Cross multiply
5,712,769.74x = 8,569,117.61 × 1,452,901.18 - Step 4: Simplify right side
5,712,769.74x = 12,450,081,087,127.78 - Step 5: Solve for x
x = 12,450,081,087,127.78/5,712,769.74 - Step 6: Final answer
x = 2,179,342.36
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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.