Home / 1,533,325.80-2,114,554.40-1,211,804.02

Finding the Fourth Proportional to 1,533,325.80, 2,114,554.40 and 1,211,804.02

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Solution

The fourth proportional to 1,533,325.80, 2,114,554.40 and 1,211,804.02 is: 1,671,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,325.80 : 2,114,554.40 = 1,211,804.02 : x
  2. Step 2: Convert to fraction form
    1,533,325.80/2,114,554.40 = 1,211,804.02/x
  3. Step 3: Cross multiply
    1,533,325.80x = 2,114,554.40 × 1,211,804.02
  4. Step 4: Simplify right side
    1,533,325.80x = 2,562,425,522,428.69
  5. Step 5: Solve for x
    x = 2,562,425,522,428.69/1,533,325.80
  6. Step 6: Final answer
    x = 1,671,155.29

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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.