Home / 1,556,187.36-2,147,554.96-877,123.86

Finding the Fourth Proportional to 1,556,187.36, 2,147,554.96 and 877,123.86

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Solution

The fourth proportional to 1,556,187.36, 2,147,554.96 and 877,123.86 is: 1,210,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,187.36 : 2,147,554.96 = 877,123.86 : x
  2. Step 2: Convert to fraction form
    1,556,187.36/2,147,554.96 = 877,123.86/x
  3. Step 3: Cross multiply
    1,556,187.36x = 2,147,554.96 × 877,123.86
  4. Step 4: Simplify right side
    1,556,187.36x = 1,883,671,696,077.35
  5. Step 5: Solve for x
    x = 1,883,671,696,077.35/1,556,187.36
  6. Step 6: Final answer
    x = 1,210,440.17

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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.