Finding the Fourth Proportional to 1,292,038.46, 1,937,909.81 and 345,482.99
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Solution
The fourth proportional to 1,292,038.46, 1,937,909.81 and 345,482.99 is: 518,184.94
Step by Step Solution
- Step 1: Write the proportion equation
1,292,038.46 : 1,937,909.81 = 345,482.99 : x - Step 2: Convert to fraction form
1,292,038.46/1,937,909.81 = 345,482.99/x - Step 3: Cross multiply
1,292,038.46x = 1,937,909.81 × 345,482.99 - Step 4: Simplify right side
1,292,038.46x = 669,514,875,509.13 - Step 5: Solve for x
x = 669,514,875,509.13/1,292,038.46 - Step 6: Final answer
x = 518,184.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.