Home / 2,711,686.81-3,742,117.53-1,488,012.81

Finding the Fourth Proportional to 2,711,686.81, 3,742,117.53 and 1,488,012.81

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Solution

The fourth proportional to 2,711,686.81, 3,742,117.53 and 1,488,012.81 is: 2,053,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711,686.81 : 3,742,117.53 = 1,488,012.81 : x
  2. Step 2: Convert to fraction form
    2,711,686.81/3,742,117.53 = 1,488,012.81/x
  3. Step 3: Cross multiply
    2,711,686.81x = 3,742,117.53 × 1,488,012.81
  4. Step 4: Simplify right side
    2,711,686.81x = 5,568,318,830,972.05
  5. Step 5: Solve for x
    x = 5,568,318,830,972.05/2,711,686.81
  6. Step 6: Final answer
    x = 2,053,452.05

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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.