Finding the Fourth Proportional to 1,427,925.16, 2,142,088.08 and 417,121.30
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Solution
The fourth proportional to 1,427,925.16, 2,142,088.08 and 417,121.30 is: 625,740.47
Step by Step Solution
- Step 1: Write the proportion equation
1,427,925.16 : 2,142,088.08 = 417,121.30 : x - Step 2: Convert to fraction form
1,427,925.16/2,142,088.08 = 417,121.30/x - Step 3: Cross multiply
1,427,925.16x = 2,142,088.08 × 417,121.30 - Step 4: Simplify right side
1,427,925.16x = 893,510,564,644.10 - Step 5: Solve for x
x = 893,510,564,644.10/1,427,925.16 - Step 6: Final answer
x = 625,740.47
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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.