Home / 1,657,681.40-2,486,522.10-1,152,812.45

Finding the Fourth Proportional to 1,657,681.40, 2,486,522.10 and 1,152,812.45

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Solution

The fourth proportional to 1,657,681.40, 2,486,522.10 and 1,152,812.45 is: 1,729,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,681.40 : 2,486,522.10 = 1,152,812.45 : x
  2. Step 2: Convert to fraction form
    1,657,681.40/2,486,522.10 = 1,152,812.45/x
  3. Step 3: Cross multiply
    1,657,681.40x = 2,486,522.10 × 1,152,812.45
  4. Step 4: Simplify right side
    1,657,681.40x = 2,866,493,634,080.15
  5. Step 5: Solve for x
    x = 2,866,493,634,080.15/1,657,681.40
  6. Step 6: Final answer
    x = 1,729,218.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.