Finding the Fourth Proportional to 6,402,642.18, 9,603,979.67 and 2,616,125.06
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Solution
The fourth proportional to 6,402,642.18, 9,603,979.67 and 2,616,125.06 is: 3,924,194.28
Step by Step Solution
- Step 1: Write the proportion equation
6,402,642.18 : 9,603,979.67 = 2,616,125.06 : x - Step 2: Convert to fraction form
6,402,642.18/9,603,979.67 = 2,616,125.06/x - Step 3: Cross multiply
6,402,642.18x = 9,603,979.67 × 2,616,125.06 - Step 4: Simplify right side
6,402,642.18x = 25,125,211,829,317.00 - Step 5: Solve for x
x = 25,125,211,829,317.00/6,402,642.18 - Step 6: Final answer
x = 3,924,194.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.