Home / 2,124,818.23-2,931,416.81-1,307,603.14

Finding the Fourth Proportional to 2,124,818.23, 2,931,416.81 and 1,307,603.14

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Solution

The fourth proportional to 2,124,818.23, 2,931,416.81 and 1,307,603.14 is: 1,803,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,818.23 : 2,931,416.81 = 1,307,603.14 : x
  2. Step 2: Convert to fraction form
    2,124,818.23/2,931,416.81 = 1,307,603.14/x
  3. Step 3: Cross multiply
    2,124,818.23x = 2,931,416.81 × 1,307,603.14
  4. Step 4: Simplify right side
    2,124,818.23x = 3,833,129,825,404.78
  5. Step 5: Solve for x
    x = 3,833,129,825,404.78/2,124,818.23
  6. Step 6: Final answer
    x = 1,803,980.11

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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.