Finding the Fourth Proportional to 1,402,620.21, 1,934,718.35 and 972,743.49
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Solution
The fourth proportional to 1,402,620.21, 1,934,718.35 and 972,743.49 is: 1,341,763.55
Step by Step Solution
- Step 1: Write the proportion equation
1,402,620.21 : 1,934,718.35 = 972,743.49 : x - Step 2: Convert to fraction form
1,402,620.21/1,934,718.35 = 972,743.49/x - Step 3: Cross multiply
1,402,620.21x = 1,934,718.35 × 972,743.49 - Step 4: Simplify right side
1,402,620.21x = 1,881,984,675,082.32 - Step 5: Solve for x
x = 1,881,984,675,082.32/1,402,620.21 - Step 6: Final answer
x = 1,341,763.55
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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.