Home / 1,910,703.40-2,636,811.54-1,051,266.16

Finding the Fourth Proportional to 1,910,703.40, 2,636,811.54 and 1,051,266.16

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Solution

The fourth proportional to 1,910,703.40, 2,636,811.54 and 1,051,266.16 is: 1,450,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,703.40 : 2,636,811.54 = 1,051,266.16 : x
  2. Step 2: Convert to fraction form
    1,910,703.40/2,636,811.54 = 1,051,266.16/x
  3. Step 3: Cross multiply
    1,910,703.40x = 2,636,811.54 × 1,051,266.16
  4. Step 4: Simplify right side
    1,910,703.40x = 2,771,990,742,299.49
  5. Step 5: Solve for x
    x = 2,771,990,742,299.49/1,910,703.40
  6. Step 6: Final answer
    x = 1,450,769.78

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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.