Home / 3,315,875.31-4,973,812.53-919,719.93

Finding the Fourth Proportional to 3,315,875.31, 4,973,812.53 and 919,719.93

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Solution

The fourth proportional to 3,315,875.31, 4,973,812.53 and 919,719.93 is: 1,379,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,875.31 : 4,973,812.53 = 919,719.93 : x
  2. Step 2: Convert to fraction form
    3,315,875.31/4,973,812.53 = 919,719.93/x
  3. Step 3: Cross multiply
    3,315,875.31x = 4,973,812.53 × 919,719.93
  4. Step 4: Simplify right side
    3,315,875.31x = 4,574,514,511,924.72
  5. Step 5: Solve for x
    x = 4,574,514,511,924.72/3,315,875.31
  6. Step 6: Final answer
    x = 1,379,579.77

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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.