Finding the Fourth Proportional to 1,837,332.64, 2,535,603.42 and 1,021,620.07
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Solution
The fourth proportional to 1,837,332.64, 2,535,603.42 and 1,021,620.07 is: 1,409,882.61
Step by Step Solution
- Step 1: Write the proportion equation
1,837,332.64 : 2,535,603.42 = 1,021,620.07 : x - Step 2: Convert to fraction form
1,837,332.64/2,535,603.42 = 1,021,620.07/x - Step 3: Cross multiply
1,837,332.64x = 2,535,603.42 × 1,021,620.07 - Step 4: Simplify right side
1,837,332.64x = 2,590,423,343,432.64 - Step 5: Solve for x
x = 2,590,423,343,432.64/1,837,332.64 - Step 6: Final answer
x = 1,409,882.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.