Home / 1,522,438.16-2,283,656.34-1,421,547.51

Finding the Fourth Proportional to 1,522,438.16, 2,283,656.34 and 1,421,547.51

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Solution

The fourth proportional to 1,522,438.16, 2,283,656.34 and 1,421,547.51 is: 2,132,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,438.16 : 2,283,656.34 = 1,421,547.51 : x
  2. Step 2: Convert to fraction form
    1,522,438.16/2,283,656.34 = 1,421,547.51/x
  3. Step 3: Cross multiply
    1,522,438.16x = 2,283,656.34 × 1,421,547.51
  4. Step 4: Simplify right side
    1,522,438.16x = 3,246,325,983,822.71
  5. Step 5: Solve for x
    x = 3,246,325,983,822.71/1,522,438.16
  6. Step 6: Final answer
    x = 2,132,320.43

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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.