Finding the Fourth Proportional to 1,417,690.12, 2,125,895.48 and 406,579.94
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Solution
The fourth proportional to 1,417,690.12, 2,125,895.48 and 406,579.94 is: 609,686.45
Step by Step Solution
- Step 1: Write the proportion equation
1,417,690.12 : 2,125,895.48 = 406,579.94 : x - Step 2: Convert to fraction form
1,417,690.12/2,125,895.48 = 406,579.94/x - Step 3: Cross multiply
1,417,690.12x = 2,125,895.48 × 406,579.94 - Step 4: Simplify right side
1,417,690.12x = 864,346,454,671.77 - Step 5: Solve for x
x = 864,346,454,671.77/1,417,690.12 - Step 6: Final answer
x = 609,686.45
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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.