Home / 1,931,740.70-2,897,999.85-669,307.10

Finding the Fourth Proportional to 1,931,740.70, 2,897,999.85 and 669,307.10

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Solution

The fourth proportional to 1,931,740.70, 2,897,999.85 and 669,307.10 is: 1,004,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,740.70 : 2,897,999.85 = 669,307.10 : x
  2. Step 2: Convert to fraction form
    1,931,740.70/2,897,999.85 = 669,307.10/x
  3. Step 3: Cross multiply
    1,931,740.70x = 2,897,999.85 × 669,307.10
  4. Step 4: Simplify right side
    1,931,740.70x = 1,939,651,875,403.94
  5. Step 5: Solve for x
    x = 1,939,651,875,403.94/1,931,740.70
  6. Step 6: Final answer
    x = 1,004,095.36

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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.