Finding the Fourth Proportional to 2,031,881.51, 2,803,888.74 and 1,160,545.09
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Solution
The fourth proportional to 2,031,881.51, 2,803,888.74 and 1,160,545.09 is: 1,601,490.69
Step by Step Solution
- Step 1: Write the proportion equation
2,031,881.51 : 2,803,888.74 = 1,160,545.09 : x - Step 2: Convert to fraction form
2,031,881.51/2,803,888.74 = 1,160,545.09/x - Step 3: Cross multiply
2,031,881.51x = 2,803,888.74 × 1,160,545.09 - Step 4: Simplify right side
2,031,881.51x = 3,254,039,317,970.19 - Step 5: Solve for x
x = 3,254,039,317,970.19/2,031,881.51 - Step 6: Final answer
x = 1,601,490.69
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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.