Home / 1,946,210.70-2,919,316.05-1,411,221.90

Finding the Fourth Proportional to 1,946,210.70, 2,919,316.05 and 1,411,221.90

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Solution

The fourth proportional to 1,946,210.70, 2,919,316.05 and 1,411,221.90 is: 2,116,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,210.70 : 2,919,316.05 = 1,411,221.90 : x
  2. Step 2: Convert to fraction form
    1,946,210.70/2,919,316.05 = 1,411,221.90/x
  3. Step 3: Cross multiply
    1,946,210.70x = 2,919,316.05 × 1,411,221.90
  4. Step 4: Simplify right side
    1,946,210.70x = 4,119,802,742,781.49
  5. Step 5: Solve for x
    x = 4,119,802,742,781.49/1,946,210.70
  6. Step 6: Final answer
    x = 2,116,832.85

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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.