Finding the Fourth Proportional to 7,605,643.98, 11,408,881.49 and 1,925,917.50
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Solution
The fourth proportional to 7,605,643.98, 11,408,881.49 and 1,925,917.50 is: 2,888,981.47
Step by Step Solution
- Step 1: Write the proportion equation
7,605,643.98 : 11,408,881.49 = 1,925,917.50 : x - Step 2: Convert to fraction form
7,605,643.98/11,408,881.49 = 1,925,917.50/x - Step 3: Cross multiply
7,605,643.98x = 11,408,881.49 × 1,925,917.50 - Step 4: Simplify right side
7,605,643.98x = 21,972,564,517,017.07 - Step 5: Solve for x
x = 21,972,564,517,017.07/7,605,643.98 - Step 6: Final answer
x = 2,888,981.47
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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.