Home / 1,574,011.80-2,365,683.30-1,368,725.40

Finding the Fourth Proportional to 1,574,011.80, 2,365,683.30 and 1,368,725.40

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Solution

The fourth proportional to 1,574,011.80, 2,365,683.30 and 1,368,725.40 is: 2,057,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,011.80 : 2,365,683.30 = 1,368,725.40 : x
  2. Step 2: Convert to fraction form
    1,574,011.80/2,365,683.30 = 1,368,725.40/x
  3. Step 3: Cross multiply
    1,574,011.80x = 2,365,683.30 × 1,368,725.40
  4. Step 4: Simplify right side
    1,574,011.80x = 3,237,970,821,065.82
  5. Step 5: Solve for x
    x = 3,237,970,821,065.82/1,574,011.80
  6. Step 6: Final answer
    x = 2,057,145.20

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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.