Home / 2,778,005.40-4,163,897.70-1,580,501.40

Finding the Fourth Proportional to 2,778,005.40, 4,163,897.70 and 1,580,501.40

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Solution

The fourth proportional to 2,778,005.40, 4,163,897.70 and 1,580,501.40 is: 2,368,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,005.40 : 4,163,897.70 = 1,580,501.40 : x
  2. Step 2: Convert to fraction form
    2,778,005.40/4,163,897.70 = 1,580,501.40/x
  3. Step 3: Cross multiply
    2,778,005.40x = 4,163,897.70 × 1,580,501.40
  4. Step 4: Simplify right side
    2,778,005.40x = 6,581,046,144,306.78
  5. Step 5: Solve for x
    x = 6,581,046,144,306.78/2,778,005.40
  6. Step 6: Final answer
    x = 2,368,982.49

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1.5x scale

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.