Finding the Fourth Proportional to 1,859,790.32, 2,566,781.20 and 1,044,331.28
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Solution
The fourth proportional to 1,859,790.32, 2,566,781.20 and 1,044,331.28 is: 1,441,329.09
Step by Step Solution
- Step 1: Write the proportion equation
1,859,790.32 : 2,566,781.20 = 1,044,331.28 : x - Step 2: Convert to fraction form
1,859,790.32/2,566,781.20 = 1,044,331.28/x - Step 3: Cross multiply
1,859,790.32x = 2,566,781.20 × 1,044,331.28 - Step 4: Simplify right side
1,859,790.32x = 2,680,569,896,075.94 - Step 5: Solve for x
x = 2,680,569,896,075.94/1,859,790.32 - Step 6: Final answer
x = 1,441,329.09
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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.