Home / 2,423,123.77-3,343,924.08-1,390,549.45

Finding the Fourth Proportional to 2,423,123.77, 3,343,924.08 and 1,390,549.45

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Solution

The fourth proportional to 2,423,123.77, 3,343,924.08 and 1,390,549.45 is: 1,918,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423,123.77 : 3,343,924.08 = 1,390,549.45 : x
  2. Step 2: Convert to fraction form
    2,423,123.77/3,343,924.08 = 1,390,549.45/x
  3. Step 3: Cross multiply
    2,423,123.77x = 3,343,924.08 × 1,390,549.45
  4. Step 4: Simplify right side
    2,423,123.77x = 4,649,891,790,285.76
  5. Step 5: Solve for x
    x = 4,649,891,790,285.76/2,423,123.77
  6. Step 6: Final answer
    x = 1,918,965.86

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1.5x scale

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.