Finding the Fourth Proportional to 1,781,679.74, 2,458,139.58 and 1,007,235.50
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Solution
The fourth proportional to 1,781,679.74, 2,458,139.58 and 1,007,235.50 is: 1,389,657.97
Step by Step Solution
- Step 1: Write the proportion equation
1,781,679.74 : 2,458,139.58 = 1,007,235.50 : x - Step 2: Convert to fraction form
1,781,679.74/2,458,139.58 = 1,007,235.50/x - Step 3: Cross multiply
1,781,679.74x = 2,458,139.58 × 1,007,235.50 - Step 4: Simplify right side
1,781,679.74x = 2,475,925,448,931.09 - Step 5: Solve for x
x = 2,475,925,448,931.09/1,781,679.74 - Step 6: Final answer
x = 1,389,657.97
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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.