Finding the Fourth Proportional to 5,423,407.12, 7,484,281.10 and 2,976,059.08
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Solution
The fourth proportional to 5,423,407.12, 7,484,281.10 and 2,976,059.08 is: 4,106,950.16
Step by Step Solution
- Step 1: Write the proportion equation
5,423,407.12 : 7,484,281.10 = 2,976,059.08 : x - Step 2: Convert to fraction form
5,423,407.12/7,484,281.10 = 2,976,059.08/x - Step 3: Cross multiply
5,423,407.12x = 7,484,281.10 × 2,976,059.08 - Step 4: Simplify right side
5,423,407.12x = 22,273,662,724,927.39 - Step 5: Solve for x
x = 22,273,662,724,927.39/5,423,407.12 - Step 6: Final answer
x = 4,106,950.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.