Finding the Fourth Proportional to 6,317,702.01, 8,718,430.41 and 3,564,972.81
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Solution
The fourth proportional to 6,317,702.01, 8,718,430.41 and 3,564,972.81 is: 4,919,663.40
Step by Step Solution
- Step 1: Write the proportion equation
6,317,702.01 : 8,718,430.41 = 3,564,972.81 : x - Step 2: Convert to fraction form
6,317,702.01/8,718,430.41 = 3,564,972.81/x - Step 3: Cross multiply
6,317,702.01x = 8,718,430.41 × 3,564,972.81 - Step 4: Simplify right side
6,317,702.01x = 31,080,967,357,527.15 - Step 5: Solve for x
x = 31,080,967,357,527.15/6,317,702.01 - Step 6: Final answer
x = 4,919,663.40
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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.