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Finding the Fourth Proportional to 1,977,482.04, 2,966,223.03 and 912,208.92

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Solution

The fourth proportional to 1,977,482.04, 2,966,223.03 and 912,208.92 is: 1,368,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,482.04 : 2,966,223.03 = 912,208.92 : x
  2. Step 2: Convert to fraction form
    1,977,482.04/2,966,223.03 = 912,208.92/x
  3. Step 3: Cross multiply
    1,977,482.04x = 2,966,223.03 × 912,208.92
  4. Step 4: Simplify right side
    1,977,482.04x = 2,705,815,106,675.43
  5. Step 5: Solve for x
    x = 2,705,815,106,675.43/1,977,482.04
  6. Step 6: Final answer
    x = 1,368,313.37

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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.