Home / 2,993,423.40-4,490,135.10-971,663.40

Finding the Fourth Proportional to 2,993,423.40, 4,490,135.10 and 971,663.40

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Solution

The fourth proportional to 2,993,423.40, 4,490,135.10 and 971,663.40 is: 1,457,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,423.40 : 4,490,135.10 = 971,663.40 : x
  2. Step 2: Convert to fraction form
    2,993,423.40/4,490,135.10 = 971,663.40/x
  3. Step 3: Cross multiply
    2,993,423.40x = 4,490,135.10 × 971,663.40
  4. Step 4: Simplify right side
    2,993,423.40x = 4,362,899,937,725.34
  5. Step 5: Solve for x
    x = 4,362,899,937,725.34/2,993,423.40
  6. Step 6: Final answer
    x = 1,457,495.10

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Similar ratio
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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.