Finding the Fourth Proportional to 1,875,386.98, 2,588,031.48 and 1,015,950.70
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Solution
The fourth proportional to 1,875,386.98, 2,588,031.48 and 1,015,950.70 is: 1,402,010.58
Step by Step Solution
- Step 1: Write the proportion equation
1,875,386.98 : 2,588,031.48 = 1,015,950.70 : x - Step 2: Convert to fraction form
1,875,386.98/2,588,031.48 = 1,015,950.70/x - Step 3: Cross multiply
1,875,386.98x = 2,588,031.48 × 1,015,950.70 - Step 4: Simplify right side
1,875,386.98x = 2,629,312,393,728.04 - Step 5: Solve for x
x = 2,629,312,393,728.04/1,875,386.98 - Step 6: Final answer
x = 1,402,010.58
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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.