Home / 2,016,208.40-3,020,813.40-1,890,237.20

Finding the Fourth Proportional to 2,016,208.40, 3,020,813.40 and 1,890,237.20

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Solution

The fourth proportional to 2,016,208.40, 3,020,813.40 and 1,890,237.20 is: 2,832,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016,208.40 : 3,020,813.40 = 1,890,237.20 : x
  2. Step 2: Convert to fraction form
    2,016,208.40/3,020,813.40 = 1,890,237.20/x
  3. Step 3: Cross multiply
    2,016,208.40x = 3,020,813.40 × 1,890,237.20
  4. Step 4: Simplify right side
    2,016,208.40x = 5,710,053,862,938.48
  5. Step 5: Solve for x
    x = 5,710,053,862,938.48/2,016,208.40
  6. Step 6: Final answer
    x = 2,832,075.23

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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.