Finding the Fourth Proportional to 6,390,601.30, 9,585,901.95 and 4,962,927.70
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Solution
The fourth proportional to 6,390,601.30, 9,585,901.95 and 4,962,927.70 is: 7,444,391.55
Step by Step Solution
- Step 1: Write the proportion equation
6,390,601.30 : 9,585,901.95 = 4,962,927.70 : x - Step 2: Convert to fraction form
6,390,601.30/9,585,901.95 = 4,962,927.70/x - Step 3: Cross multiply
6,390,601.30x = 9,585,901.95 × 4,962,927.70 - Step 4: Simplify right side
6,390,601.30x = 47,574,138,317,139.02 - Step 5: Solve for x
x = 47,574,138,317,139.02/6,390,601.30 - Step 6: Final answer
x = 7,444,391.55
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1.5x scale
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.