Home / 2,634,905.76-3,636,172.50-1,427,681.76

Finding the Fourth Proportional to 2,634,905.76, 3,636,172.50 and 1,427,681.76

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Solution

The fourth proportional to 2,634,905.76, 3,636,172.50 and 1,427,681.76 is: 1,970,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634,905.76 : 3,636,172.50 = 1,427,681.76 : x
  2. Step 2: Convert to fraction form
    2,634,905.76/3,636,172.50 = 1,427,681.76/x
  3. Step 3: Cross multiply
    2,634,905.76x = 3,636,172.50 × 1,427,681.76
  4. Step 4: Simplify right side
    2,634,905.76x = 5,191,297,154,463.60
  5. Step 5: Solve for x
    x = 5,191,297,154,463.60/2,634,905.76
  6. Step 6: Final answer
    x = 1,970,202.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.